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Merge 4.9.218 branch 'android-4.9-q' into tw10-android-4.9-q

Browse source 
Conflicts:
	arch/arm64/kernel/smp.c
	drivers/scsi/sd.c Skipped, it's a fix for a commit we didn't apply during upstream as it caused a regression in performance.
This commit is contained in:
FAROVITUS 2020-04-09 17:15:01 +03:00
commit 4a422bd5bb
105 changed files with 682 additions and 303 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Documentation/devicetree/bindings/powerpc/fsl/fman.txt
View file

@ -110,6 +110,13 @@ PROPERTIES
Usage: required
Definition: See soc/fsl/qman.txt and soc/fsl/bman.txt
- fsl,erratum-a050385
Usage: optional
Value type: boolean
Definition: A boolean property. Indicates the presence of the
erratum A050385 which indicates that DMA transactions that are
split can result in a FMan lock.
=============================================================================
FMan MURAM Node

2
Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
SUBLEVEL = 217
SUBLEVEL = 218
EXTRAVERSION =
NAME = Roaring Lionus

3
arch/arm/boot/dts/dra7.dtsi
View file

@ -123,6 +123,7 @@
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0x0 0xc0000000>;
dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>;
ti,hwmods = "l3_main_1", "l3_main_2";
reg = <0x0 0x44000000 0x0 0x1000000>,
<0x0 0x45000000 0x0 0x1000>;
@ -282,6 +283,7 @@
device_type = "pci";
ranges = <0x81000000 0 0 0x03000 0 0x00010000
0x82000000 0 0x20013000 0x13000 0 0xffed000>;
dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
bus-range = <0x00 0xff>;
#interrupt-cells = <1>;
num-lanes = <1>;
@ -319,6 +321,7 @@
device_type = "pci";
ranges = <0x81000000 0 0 0x03000 0 0x00010000
0x82000000 0 0x30013000 0x13000 0 0xffed000>;
dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
bus-range = <0x00 0xff>;
#interrupt-cells = <1>;
num-lanes = <1>;

1
arch/arm/boot/dts/omap5.dtsi
View file

@ -131,6 +131,7 @@
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0 0 0xc0000000>;
dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>;
ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3";
reg = <0 0x44000000 0 0x2000>,
<0 0x44800000 0 0x3000>,

2
arch/arm64/include/asm/alternative.h
View file

@ -215,7 +215,7 @@ alternative_endif
.macro user_alt, label, oldinstr, newinstr, cond
9999: alternative_insn "\oldinstr", "\newinstr", \cond
_ASM_EXTABLE 9999b, \label
_asm_extable 9999b, \label
.endm
/*

17
arch/arm64/kernel/smp.c
View file

@ -939,11 +939,22 @@ void tick_broadcast(const struct cpumask *mask)
}
#endif
/*
* The number of CPUs online, not counting this CPU (which may not be
* fully online and so not counted in num_online_cpus()).
*/
static inline unsigned int num_other_online_cpus(void)
{
unsigned int this_cpu_online = cpu_online(smp_processor_id());
return num_online_cpus() - this_cpu_online;
}
void smp_send_stop(void)
{
unsigned long timeout;
if (num_online_cpus() > 1) {
if (num_other_online_cpus()) {
cpumask_t mask;
cpumask_copy(&mask, cpu_online_mask);
@ -957,10 +968,10 @@ void smp_send_stop(void)
/* Wait up to one second for other CPUs to stop */
timeout = USEC_PER_SEC * 5;
while (num_online_cpus() > 1 && timeout--)
while (num_other_online_cpus() && timeout--)
udelay(1);
if (num_online_cpus() > 1)
if (num_other_online_cpus())
pr_warning("SMP: failed to stop secondary CPUs %*pbl\n",
cpumask_pr_args(cpu_online_mask));
}

6
arch/powerpc/kernel/vmlinux.lds.S
View file

@ -315,6 +315,12 @@ SECTIONS
*(.branch_lt)
}
#ifdef CONFIG_DEBUG_INFO_BTF
.BTF : AT(ADDR(.BTF) - LOAD_OFFSET) {
*(.BTF)
}
#endif
.opd : AT(ADDR(.opd) - LOAD_OFFSET) {
*(.opd)
}

4
arch/x86/kvm/vmx.c
View file

@ -6564,8 +6564,8 @@ static int handle_ept_misconfig(struct kvm_vcpu *vcpu)
return 1;
}
else
return x86_emulate_instruction(vcpu, gpa, EMULTYPE_SKIP,
NULL, 0) == EMULATE_DONE;
return emulate_instruction(vcpu, EMULTYPE_SKIP) ==
EMULATE_DONE;
}
ret = kvm_mmu_page_fault(vcpu, gpa, PFERR_RSVD_MASK, NULL, 0);

26
arch/x86/mm/fault.c
View file

@ -285,7 +285,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
return pmd_k;
}
void vmalloc_sync_all(void)
static void vmalloc_sync(void)
{
unsigned long address;
@ -312,6 +312,16 @@ void vmalloc_sync_all(void)
}
}
void vmalloc_sync_mappings(void)
{
vmalloc_sync();
}
void vmalloc_sync_unmappings(void)
{
vmalloc_sync();
}
/*
* 32-bit:
*
@ -406,11 +416,23 @@ out:
#else /* CONFIG_X86_64: */
void vmalloc_sync_all(void)
void vmalloc_sync_mappings(void)
{
/*
* 64-bit mappings might allocate new p4d/pud pages
* that need to be propagated to all tasks' PGDs.
*/
sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END, 0);
}
void vmalloc_sync_unmappings(void)
{
/*
* Unmappings never allocate or free p4d/pud pages.
* No work is required here.
*/
}
/*
* 64-bit:
*

2
drivers/acpi/apei/ghes.c
View file

@ -234,7 +234,7 @@ static int ghes_estatus_pool_expand(unsigned long len)
* New allocation must be visible in all pgd before it can be found by
* an NMI allocating from the pool.
*/
vmalloc_sync_all();
vmalloc_sync_mappings();
return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
}

15
drivers/gpu/drm/drm_dp_mst_topology.c
View file

@ -980,20 +980,9 @@ static struct drm_dp_mst_port *drm_dp_mst_get_port_ref_locked(struct drm_dp_mst_
static struct drm_dp_mst_port *drm_dp_get_validated_port_ref(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port)
{
struct drm_dp_mst_port *rport = NULL;
mutex_lock(&mgr->lock);
/*
* Port may or may not be 'valid' but we don't care about that when
* destroying the port and we are guaranteed that the port pointer
* will be valid until we've finished
*/
if (current_work() == &mgr->destroy_connector_work) {
kref_get(&port->kref);
rport = port;
} else if (mgr->mst_primary) {
rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary,
port);
}
if (mgr->mst_primary)
rport = drm_dp_mst_get_port_ref_locked(mgr->mst_primary, port);
mutex_unlock(&mgr->lock);
return rport;
}

12
drivers/gpu/drm/exynos/exynos_drm_dsi.c
View file

@ -1775,8 +1775,9 @@ static int exynos_dsi_probe(struct platform_device *pdev)
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(dsi->supplies),
dsi->supplies);
if (ret) {
dev_info(dev, "failed to get regulators: %d\n", ret);
return -EPROBE_DEFER;
if (ret != -EPROBE_DEFER)
dev_info(dev, "failed to get regulators: %d\n", ret);
return ret;
}
dsi->clks = devm_kzalloc(dev,
@ -1789,9 +1790,10 @@ static int exynos_dsi_probe(struct platform_device *pdev)
dsi->clks[i] = devm_clk_get(dev, clk_names[i]);
if (IS_ERR(dsi->clks[i])) {
if (strcmp(clk_names[i], "sclk_mipi") == 0) {
strcpy(clk_names[i], OLD_SCLK_MIPI_CLK_NAME);
i--;
continue;
dsi->clks[i] = devm_clk_get(dev,
OLD_SCLK_MIPI_CLK_NAME);
if (!IS_ERR(dsi->clks[i]))
continue;
}
dev_info(dev, "failed to get the clock: %s\n",

6
drivers/hwtracing/intel_th/msu.c
View file

@ -497,7 +497,7 @@ static int msc_configure(struct msc *msc)
lockdep_assert_held(&msc->buf_mutex);
if (msc->mode > MSC_MODE_MULTI)
return -ENOTSUPP;
return -EINVAL;
if (msc->mode == MSC_MODE_MULTI)
msc_buffer_clear_hw_header(msc);
@ -948,7 +948,7 @@ static int msc_buffer_alloc(struct msc *msc, unsigned long *nr_pages,
} else if (msc->mode == MSC_MODE_MULTI) {
ret = msc_buffer_multi_alloc(msc, nr_pages, nr_wins);
} else {
ret = -ENOTSUPP;
ret = -EINVAL;
}
if (!ret) {
@ -1171,7 +1171,7 @@ static ssize_t intel_th_msc_read(struct file *file, char __user *buf,
if (ret >= 0)
*ppos = iter->offset;
} else {
ret = -ENOTSUPP;
ret = -EINVAL;
}
put_count:

1
drivers/i2c/busses/i2c-hix5hd2.c
View file

@ -498,6 +498,7 @@ static int hix5hd2_i2c_remove(struct platform_device *pdev)
i2c_del_adapter(&priv->adap);
pm_runtime_disable(priv->dev);
pm_runtime_set_suspended(priv->dev);
clk_disable_unprepare(priv->clk);
return 0;
}

2
drivers/iio/magnetometer/ak8974.c
View file

@ -477,7 +477,7 @@ static int ak8974_read_raw(struct iio_dev *indio_dev,
* We read all axes and discard all but one, for optimized
* reading, use the triggered buffer.
*/
*val = le16_to_cpu(hw_values[chan->address]);
*val = (s16)le16_to_cpu(hw_values[chan->address]);
ret = IIO_VAL_INT;
}

4
drivers/input/touchscreen/raydium_i2c_ts.c
View file

@ -441,7 +441,7 @@ static int raydium_i2c_write_object(struct i2c_client *client,
return 0;
}
static bool raydium_i2c_boot_trigger(struct i2c_client *client)
static int raydium_i2c_boot_trigger(struct i2c_client *client)
{
static const u8 cmd[7][6] = {
{ 0x08, 0x0C, 0x09, 0x00, 0x50, 0xD7 },
@ -469,7 +469,7 @@ static bool raydium_i2c_boot_trigger(struct i2c_client *client)
return 0;
}
static bool raydium_i2c_fw_trigger(struct i2c_client *client)
static int raydium_i2c_fw_trigger(struct i2c_client *client)
{
static const u8 cmd[5][11] = {
{ 0, 0x09, 0x71, 0x0C, 0x09, 0x00, 0x50, 0xD7, 0, 0, 0 },

1
drivers/md/dm-bow.c
View file

@ -792,6 +792,7 @@ static int prepare_unchanged_range(struct bow_context *bc, struct bow_range *br,
*/
original_type = br->type;
sector0 = backup_br->sector;
bc->trims_total -= range_size(backup_br);
if (backup_br->type == TRIMMED)
list_del(&backup_br->trimmed_list);
backup_br->type = br->type == SECTOR0_CURRENT ? SECTOR0_CURRENT

6
drivers/media/usb/b2c2/flexcop-usb.c
View file

@ -511,6 +511,9 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
return ret;
}
if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1)
return -ENODEV;
switch (fc_usb->udev->speed) {
case USB_SPEED_LOW:
err("cannot handle USB speed because it is too slow.");
@ -544,9 +547,6 @@ static int flexcop_usb_probe(struct usb_interface *intf,
struct flexcop_device *fc = NULL;
int ret;
if (intf->cur_altsetting->desc.bNumEndpoints < 1)
return -ENODEV;
if ((fc = flexcop_device_kmalloc(sizeof(struct flexcop_usb))) == NULL) {
err("out of memory\n");
return -ENOMEM;

4
drivers/media/usb/dvb-usb/dib0700_core.c
View file

@ -812,7 +812,7 @@ int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf)
/* Starting in firmware 1.20, the RC info is provided on a bulk pipe */
if (intf->altsetting[0].desc.bNumEndpoints < rc_ep + 1)
if (intf->cur_altsetting->desc.bNumEndpoints < rc_ep + 1)
return -ENODEV;
purb = usb_alloc_urb(0, GFP_KERNEL);
@ -832,7 +832,7 @@ int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf)
* Some devices like the Hauppauge NovaTD model 52009 use an interrupt
* endpoint, while others use a bulk one.
*/
e = &intf->altsetting[0].endpoint[rc_ep].desc;
e = &intf->cur_altsetting->endpoint[rc_ep].desc;
if (usb_endpoint_dir_in(e)) {
if (usb_endpoint_xfer_bulk(e)) {
pipe = usb_rcvbulkpipe(d->udev, rc_ep);

10
drivers/media/usb/gspca/ov519.c
View file

@ -3482,6 +3482,11 @@ static void ov511_mode_init_regs(struct sd *sd)
return;
}
if (alt->desc.bNumEndpoints < 1) {
sd->gspca_dev.usb_err = -ENODEV;
return;
}
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
reg_w(sd, R51x_FIFO_PSIZE, packet_size >> 5);
@ -3607,6 +3612,11 @@ static void ov518_mode_init_regs(struct sd *sd)
return;
}
if (alt->desc.bNumEndpoints < 1) {
sd->gspca_dev.usb_err = -ENODEV;
return;
}
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
ov518_reg_w32(sd, R51x_FIFO_PSIZE, packet_size & ~7, 2);

19
drivers/media/usb/gspca/stv06xx/stv06xx.c
View file

@ -293,6 +293,9 @@ static int stv06xx_start(struct gspca_dev *gspca_dev)
return -EIO;
}
if (alt->desc.bNumEndpoints < 1)
return -ENODEV;
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
err = stv06xx_write_bridge(sd, STV_ISO_SIZE_L, packet_size);
if (err < 0)
@ -317,11 +320,21 @@ out:
static int stv06xx_isoc_init(struct gspca_dev *gspca_dev)
{
struct usb_interface_cache *intfc;
struct usb_host_interface *alt;
struct sd *sd = (struct sd *) gspca_dev;
intfc = gspca_dev->dev->actconfig->intf_cache[0];
if (intfc->num_altsetting < 2)
return -ENODEV;
alt = &intfc->altsetting[1];
if (alt->desc.bNumEndpoints < 1)
return -ENODEV;
/* Start isoc bandwidth "negotiation" at max isoc bandwidth */
alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
alt->endpoint[0].desc.wMaxPacketSize =
cpu_to_le16(sd->sensor->max_packet_size[gspca_dev->curr_mode]);
@ -334,6 +347,10 @@ static int stv06xx_isoc_nego(struct gspca_dev *gspca_dev)
struct usb_host_interface *alt;
struct sd *sd = (struct sd *) gspca_dev;
/*
* Existence of altsetting and endpoint was verified in
* stv06xx_isoc_init()
*/
alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
min_packet_size = sd->sensor->min_packet_size[gspca_dev->curr_mode];

4
drivers/media/usb/gspca/stv06xx/stv06xx_pb0100.c
View file

@ -198,6 +198,10 @@ static int pb0100_start(struct sd *sd)
alt = usb_altnum_to_altsetting(intf, sd->gspca_dev.alt);
if (!alt)
return -ENODEV;
if (alt->desc.bNumEndpoints < 1)
return -ENODEV;
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
/* If we don't have enough bandwidth use a lower framerate */

18
drivers/media/usb/gspca/xirlink_cit.c
View file

@ -1455,6 +1455,9 @@ static int cit_get_packet_size(struct gspca_dev *gspca_dev)
return -EIO;
}
if (alt->desc.bNumEndpoints < 1)
return -ENODEV;
return le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
}
@ -2638,6 +2641,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
static int sd_isoc_init(struct gspca_dev *gspca_dev)
{
struct usb_interface_cache *intfc;
struct usb_host_interface *alt;
int max_packet_size;
@ -2653,8 +2657,17 @@ static int sd_isoc_init(struct gspca_dev *gspca_dev)
break;
}
intfc = gspca_dev->dev->actconfig->intf_cache[0];
if (intfc->num_altsetting < 2)
return -ENODEV;
alt = &intfc->altsetting[1];
if (alt->desc.bNumEndpoints < 1)
return -ENODEV;
/* Start isoc bandwidth "negotiation" at max isoc bandwidth */
alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
alt->endpoint[0].desc.wMaxPacketSize = cpu_to_le16(max_packet_size);
return 0;
@ -2677,6 +2690,9 @@ static int sd_isoc_nego(struct gspca_dev *gspca_dev)
break;
}
/*
* Existence of altsetting and endpoint was verified in sd_isoc_init()
*/
alt = &gspca_dev->dev->actconfig->intf_cache[0]->altsetting[1];
packet_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize);
if (packet_size <= min_packet_size)

2
drivers/media/usb/usbtv/usbtv-core.c
View file

@ -56,7 +56,7 @@ int usbtv_set_regs(struct usbtv *usbtv, const u16 regs[][2], int size)
ret = usb_control_msg(usbtv->udev, pipe, USBTV_REQUEST_REG,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value, index, NULL, 0, 0);
value, index, NULL, 0, USB_CTRL_GET_TIMEOUT);
if (ret < 0)
return ret;
}

12
drivers/misc/altera-stapl/altera.c
View file

@ -2126,8 +2126,8 @@ exit_done:
return status;
}
static int altera_get_note(u8 *p, s32 program_size,
s32 *offset, char *key, char *value, int length)
static int altera_get_note(u8 *p, s32 program_size, s32 *offset,
char *key, char *value, int keylen, int vallen)
/*
* Gets key and value of NOTE fields in the JBC file.
* Can be called in two modes: if offset pointer is NULL,
@ -2184,7 +2184,7 @@ static int altera_get_note(u8 *p, s32 program_size,
&p[note_table + (8 * i) + 4])];
if (value != NULL)
strlcpy(value, value_ptr, length);
strlcpy(value, value_ptr, vallen);
}
}
@ -2203,13 +2203,13 @@ static int altera_get_note(u8 *p, s32 program_size,
strlcpy(key, &p[note_strings +
get_unaligned_be32(
&p[note_table + (8 * i)])],
length);
keylen);
if (value != NULL)
strlcpy(value, &p[note_strings +
get_unaligned_be32(
&p[note_table + (8 * i) + 4])],
length);
vallen);
*offset = i + 1;
}
@ -2463,7 +2463,7 @@ int altera_init(struct altera_config *config, const struct firmware *fw)
__func__, (format_version == 2) ? "Jam STAPL" :
"pre-standardized Jam 1.1");
while (altera_get_note((u8 *)fw->data, fw->size,
&offset, key, value, 256) == 0)
&offset, key, value, 32, 256) == 0)
printk(KERN_INFO "%s: NOTE \"%s\" = \"%s\"\n",
__func__, key, value);
}

8
drivers/mmc/host/sdhci-of-at91.c
View file

@ -126,7 +126,8 @@ static void sdhci_at91_reset(struct sdhci_host *host, u8 mask)
{
sdhci_reset(host, mask);
if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
|| mmc_gpio_get_cd(host->mmc) >= 0)
sdhci_at91_set_force_card_detect(host);
}
@ -354,8 +355,11 @@ static int sdhci_at91_probe(struct platform_device *pdev)
* detection procedure using the SDMCC_CD signal is bypassed.
* This bit is reset when a software reset for all command is performed
* so we need to implement our own reset function to set back this bit.
*
* WA: SAMA5D2 doesn't drive CMD if using CD GPIO line.
*/
if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
|| mmc_gpio_get_cd(host->mmc) >= 0)
sdhci_at91_set_force_card_detect(host);
pm_runtime_put_autosuspend(&pdev->dev);

3
drivers/net/can/slcan.c
View file

@ -621,7 +621,10 @@ err_free_chan:
tty->disc_data = NULL;
clear_bit(SLF_INUSE, &sl->flags);
slc_free_netdev(sl->dev);
/* do not call free_netdev before rtnl_unlock */
rtnl_unlock();
free_netdev(sl->dev);
return err;
err_exit:
rtnl_unlock();

3
drivers/net/ethernet/marvell/mvneta.c
View file

@ -2690,10 +2690,9 @@ static int mvneta_poll(struct napi_struct *napi, int budget)
/* For the case where the last mvneta_poll did not process all
* RX packets
*/
rx_queue = fls(((cause_rx_tx >> 8) & 0xff));
cause_rx_tx |= port->cause_rx_tx;
rx_queue = fls(((cause_rx_tx >> 8) & 0xff));
if (rx_queue) {
rx_queue = rx_queue - 1;
if (pp->bm_priv)

56
drivers/net/ethernet/micrel/ks8851_mll.c
View file

@ -474,6 +474,50 @@ static int msg_enable;
* chip is busy transferring packet data (RX/TX FIFO accesses).
*/
/**
* ks_check_endian - Check whether endianness of the bus is correct
* @ks : The chip information
*
* The KS8851-16MLL EESK pin allows selecting the endianness of the 16bit
* bus. To maintain optimum performance, the bus endianness should be set
* such that it matches the endianness of the CPU.
*/
static int ks_check_endian(struct ks_net *ks)
{
u16 cider;
/*
* Read CIDER register first, however read it the "wrong" way around.
* If the endian strap on the KS8851-16MLL in incorrect and the chip
* is operating in different endianness than the CPU, then the meaning
* of BE[3:0] byte-enable bits is also swapped such that:
* BE[3,2,1,0] becomes BE[1,0,3,2]
*
* Luckily for us, the byte-enable bits are the top four MSbits of
* the address register and the CIDER register is at offset 0xc0.
* Hence, by reading address 0xc0c0, which is not impacted by endian
* swapping, we assert either BE[3:2] or BE[1:0] while reading the
* CIDER register.
*
* If the bus configuration is correct, reading 0xc0c0 asserts
* BE[3:2] and this read returns 0x0000, because to read register
* with bottom two LSbits of address set to 0, BE[1:0] must be
* asserted.
*
* If the bus configuration is NOT correct, reading 0xc0c0 asserts
* BE[1:0] and this read returns non-zero 0x8872 value.
*/
iowrite16(BE3 | BE2 | KS_CIDER, ks->hw_addr_cmd);
cider = ioread16(ks->hw_addr);
if (!cider)
return 0;
netdev_err(ks->netdev, "incorrect EESK endian strap setting\n");
return -EINVAL;
}
/**
* ks_rdreg16 - read 16 bit register from device
* @ks : The chip information
@ -484,7 +528,7 @@ static int msg_enable;
static u16 ks_rdreg16(struct ks_net *ks, int offset)
{
ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
return ioread16(ks->hw_addr);
}
@ -499,7 +543,7 @@ static u16 ks_rdreg16(struct ks_net *ks, int offset)
static void ks_wrreg16(struct ks_net *ks, int offset, u16 value)
{
ks->cmd_reg_cache = (u16)offset | ((BE3 | BE2) >> (offset & 0x02));
ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
iowrite16(value, ks->hw_addr);
}
@ -515,7 +559,7 @@ static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len)
{
len >>= 1;
while (len--)
*wptr++ = be16_to_cpu(ioread16(ks->hw_addr));
*wptr++ = (u16)ioread16(ks->hw_addr);
}
/**
@ -529,7 +573,7 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len)
{
len >>= 1;
while (len--)
iowrite16(cpu_to_be16(*wptr++), ks->hw_addr);
iowrite16(*wptr++, ks->hw_addr);
}
static void ks_disable_int(struct ks_net *ks)
@ -1535,6 +1579,10 @@ static int ks8851_probe(struct platform_device *pdev)
goto err_free;
}
err = ks_check_endian(ks);
if (err)
goto err_free;
netdev->irq = platform_get_irq(pdev, 0);
if ((int)netdev->irq < 0) {

2
drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c
View file

@ -2313,7 +2313,7 @@ static int __init sxgbe_cmdline_opt(char *str)
if (!str || !*str)
return -EINVAL;
while ((opt = strsep(&str, ",")) != NULL) {
if (!strncmp(opt, "eee_timer:", 6)) {
if (!strncmp(opt, "eee_timer:", 10)) {
if (kstrtoint(opt + 10, 0, &eee_timer))
goto err;
}

3
drivers/net/macsec.c
View file

@ -19,6 +19,7 @@
#include <net/genetlink.h>
#include <net/sock.h>
#include <net/gro_cells.h>
#include <linux/if_arp.h>
#include <uapi/linux/if_macsec.h>
@ -3219,6 +3220,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
real_dev = __dev_get_by_index(net, nla_get_u32(tb[IFLA_LINK]));
if (!real_dev)
return -ENODEV;
if (real_dev->type != ARPHRD_ETHER)
return -EINVAL;
dev->priv_flags |= IFF_MACSEC;

11
drivers/net/vxlan.c
View file

@ -2354,10 +2354,19 @@ static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan,
/* Setup stats when device is created */
static int vxlan_init(struct net_device *dev)
{
struct vxlan_dev *vxlan = netdev_priv(dev);
int err;
dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
err = gro_cells_init(&vxlan->gro_cells, dev);
if (err) {
free_percpu(dev->tstats);
return err;
}
return 0;
}
@ -2623,8 +2632,6 @@ static void vxlan_setup(struct net_device *dev)
vxlan->dev = dev;
gro_cells_init(&vxlan->gro_cells, dev);
for (h = 0; h < FDB_HASH_SIZE; ++h)
INIT_HLIST_HEAD(&vxlan->fdb_head[h]);
}

5
drivers/nfc/fdp/fdp.c
View file

@ -192,7 +192,7 @@ static int fdp_nci_send_patch(struct nci_dev *ndev, u8 conn_id, u8 type)
const struct firmware *fw;
struct sk_buff *skb;
unsigned long len;
u8 max_size, payload_size;
int max_size, payload_size;
int rc = 0;
if ((type == NCI_PATCH_TYPE_OTP && !info->otp_patch) ||
@ -215,8 +215,7 @@ static int fdp_nci_send_patch(struct nci_dev *ndev, u8 conn_id, u8 type)
while (len) {
payload_size = min_t(unsigned long, (unsigned long) max_size,
len);
payload_size = min_t(unsigned long, max_size, len);
skb = nci_skb_alloc(ndev, (NCI_CTRL_HDR_SIZE + payload_size),
GFP_KERNEL);

1
drivers/rtc/Kconfig
View file

@ -304,6 +304,7 @@ config RTC_DRV_MAX6900
config RTC_DRV_MAX8907
tristate "Maxim MAX8907"
depends on MFD_MAX8907
select REGMAP_IRQ
help
If you say yes here you will get support for the
RTC of Maxim MAX8907 PMIC.

3
drivers/scsi/ipr.c
View file

@ -9818,6 +9818,7 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
ioa_cfg->max_devs_supported = ipr_max_devs;
if (ioa_cfg->sis64) {
host->max_channel = IPR_MAX_SIS64_BUSES;
host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS;
host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET;
if (ipr_max_devs > IPR_MAX_SIS64_DEVS)
@ -9826,6 +9827,7 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
+ ((sizeof(struct ipr_config_table_entry64)
* ioa_cfg->max_devs_supported)));
} else {
host->max_channel = IPR_VSET_BUS;
host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS;
host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET;
if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS)
@ -9835,7 +9837,6 @@ static void ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
* ioa_cfg->max_devs_supported)));
}
host->max_channel = IPR_VSET_BUS;
host->unique_id = host->host_no;
host->max_cmd_len = IPR_MAX_CDB_LEN;
host->can_queue = ioa_cfg->max_cmds;

1
drivers/scsi/ipr.h
View file

@ -1306,6 +1306,7 @@ struct ipr_resource_entry {
#define IPR_ARRAY_VIRTUAL_BUS 0x1
#define IPR_VSET_VIRTUAL_BUS 0x2
#define IPR_IOAFP_VIRTUAL_BUS 0x3
#define IPR_MAX_SIS64_BUSES 0x4
#define IPR_GET_RES_PHYS_LOC(res) \
(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)

11
drivers/spi/spi-qup.c
View file

@ -974,6 +974,11 @@ static int spi_qup_suspend(struct device *device)
struct spi_qup *controller = spi_master_get_devdata(master);
int ret;
if (pm_runtime_suspended(device)) {
ret = spi_qup_pm_resume_runtime(device);
if (ret)
return ret;
}
ret = spi_master_suspend(master);
if (ret)
return ret;
@ -982,10 +987,8 @@ static int spi_qup_suspend(struct device *device)
if (ret)
return ret;
if (!pm_runtime_suspended(device)) {
clk_disable_unprepare(controller->cclk);
clk_disable_unprepare(controller->iclk);
}
clk_disable_unprepare(controller->cclk);
clk_disable_unprepare(controller->iclk);
return 0;
}

3
drivers/spi/spi-zynqmp-gqspi.c
View file

@ -415,9 +415,6 @@ static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)
zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, genfifoentry);
/* Dummy generic FIFO entry */
zynqmp_gqspi_write(xqspi, GQSPI_GEN_FIFO_OFST, 0x0);
/* Manually start the generic FIFO command */
zynqmp_gqspi_write(xqspi, GQSPI_CONFIG_OFST,
zynqmp_gqspi_read(xqspi, GQSPI_CONFIG_OFST) |

17
drivers/staging/greybus/tools/loopback_test.c
View file

@ -20,6 +20,7 @@
#include <signal.h>
#define MAX_NUM_DEVICES 10
#define MAX_SYSFS_PREFIX 0x80
#define MAX_SYSFS_PATH 0x200
#define CSV_MAX_LINE 0x1000
#define SYSFS_MAX_INT 0x20
@ -68,7 +69,7 @@ struct loopback_results {
};
struct loopback_device {
char name[MAX_SYSFS_PATH];
char name[MAX_STR_LEN];
char sysfs_entry[MAX_SYSFS_PATH];
char debugfs_entry[MAX_SYSFS_PATH];
struct loopback_results results;
@ -94,8 +95,8 @@ struct loopback_test {
int stop_all;
int poll_count;
char test_name[MAX_STR_LEN];
char sysfs_prefix[MAX_SYSFS_PATH];
char debugfs_prefix[MAX_SYSFS_PATH];
char sysfs_prefix[MAX_SYSFS_PREFIX];
char debugfs_prefix[MAX_SYSFS_PREFIX];
struct timespec poll_timeout;
struct loopback_device devices[MAX_NUM_DEVICES];
struct loopback_results aggregate_results;
@ -646,7 +647,7 @@ baddir:
static int open_poll_files(struct loopback_test *t)
{
struct loopback_device *dev;
char buf[MAX_STR_LEN];
char buf[MAX_SYSFS_PATH + MAX_STR_LEN];
char dummy;
int fds_idx = 0;
int i;
@ -917,10 +918,10 @@ int main(int argc, char *argv[])
t.iteration_max = atoi(optarg);
break;
case 'S':
snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
break;
case 'D':
snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", optarg);
snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", optarg);
break;
case 'm':
t.mask = atol(optarg);
@ -971,10 +972,10 @@ int main(int argc, char *argv[])
}
if (!strcmp(t.sysfs_prefix, ""))
snprintf(t.sysfs_prefix, MAX_SYSFS_PATH, "%s", sysfs_prefix);
snprintf(t.sysfs_prefix, MAX_SYSFS_PREFIX, "%s", sysfs_prefix);
if (!strcmp(t.debugfs_prefix, ""))
snprintf(t.debugfs_prefix, MAX_SYSFS_PATH, "%s", debugfs_prefix);
snprintf(t.debugfs_prefix, MAX_SYSFS_PREFIX, "%s", debugfs_prefix);
ret = find_loopback_devices(&t);
if (ret)

2
drivers/staging/rtl8188eu/os_dep/usb_intf.c
View file

@ -40,12 +40,14 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
/****** 8188EUS ********/
{USB_DEVICE(0x056e, 0x4008)}, /* Elecom WDC-150SU2M */
{USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */
{USB_DEVICE(0x0B05, 0x18F0)}, /* ASUS USB-N10 Nano B1 */
{USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
{USB_DEVICE(0x2001, 0x3310)}, /* Dlink DWA-123 REV D1 */
{USB_DEVICE(0x2001, 0x3311)}, /* DLink GO-USB-N150 REV B1 */
{USB_DEVICE(0x2001, 0x331B)}, /* D-Link DWA-121 rev B1 */
{USB_DEVICE(0x2357, 0x010c)}, /* TP-Link TL-WN722N v2 */
{USB_DEVICE(0x2357, 0x0111)}, /* TP-Link TL-WN727N v5.21 */
{USB_DEVICE(0x2C4E, 0x0102)}, /* MERCUSYS MW150US v2 */
{USB_DEVICE(0x0df6, 0x0076)}, /* Sitecom N150 v2 */
{USB_DEVICE(USB_VENDER_ID_REALTEK, 0xffef)}, /* Rosewill RNX-N150NUB */
{} /* Terminating entry */

3
drivers/staging/speakup/main.c
View file

@ -565,8 +565,7 @@ static u_long get_word(struct vc_data *vc)
return 0;
} else if ((tmpx < vc->vc_cols - 2)
&& (ch == SPACE || ch == 0 || IS_WDLM(ch))
&& ((char)get_char(vc, (u_short *) &tmp_pos + 1, &temp) >
SPACE)) {
&& ((char)get_char(vc, (u_short *)tmp_pos + 1, &temp) > SPACE)) {
tmp_pos += 2;
tmpx++;
} else

2
drivers/staging/wlan-ng/hfa384x_usb.c
View file

@ -3443,6 +3443,8 @@ static void hfa384x_int_rxmonitor(struct wlandevice *wlandev,
WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)) {
pr_debug("overlen frm: len=%zd\n",
skblen - sizeof(struct p80211_caphdr));
return;
}
skb = dev_alloc_skb(skblen);

1
drivers/staging/wlan-ng/prism2usb.c
View file

@ -179,6 +179,7 @@ static void prism2sta_disconnect_usb(struct usb_interface *interface)
cancel_work_sync(&hw->link_bh);
cancel_work_sync(&hw->commsqual_bh);
cancel_work_sync(&hw->usb_work);
/* Now we complete any outstanding commands
* and tell everyone who is waiting for their

5
drivers/tty/vt/selection.c
View file

@ -80,6 +80,11 @@ void clear_selection(void)
}
}
bool vc_is_sel(struct vc_data *vc)
{
return vc == sel_cons;
}
/*
* User settable table: what characters are to be considered alphabetic?
* 256 bits. Locked by the console lock.

30
drivers/tty/vt/vt.c
View file

@ -595,8 +595,9 @@ static void hide_softcursor(struct vc_data *vc)
static void hide_cursor(struct vc_data *vc)
{
if (vc == sel_cons)
if (vc_is_sel(vc))
clear_selection();
vc->vc_sw->con_cursor(vc, CM_ERASE);
hide_softcursor(vc);
}
@ -606,7 +607,7 @@ static void set_cursor(struct vc_data *vc)
if (!con_is_fg(vc) || console_blanked || vc->vc_mode == KD_GRAPHICS)
return;
if (vc->vc_deccm) {
if (vc == sel_cons)
if (vc_is_sel(vc))
clear_selection();
add_softcursor(vc);
if ((vc->vc_cursor_type & 0x0f) != 1)
@ -753,6 +754,17 @@ static void visual_init(struct vc_data *vc, int num, int init)
vc->vc_screenbuf_size = vc->vc_rows * vc->vc_size_row;
}
static void vc_port_destruct(struct tty_port *port)
{
struct vc_data *vc = container_of(port, struct vc_data, port);
kfree(vc);
}
static const struct tty_port_operations vc_port_ops = {
.destruct = vc_port_destruct,
};
int vc_allocate(unsigned int currcons) /* return 0 on success */
{
struct vt_notifier_param param;
@ -778,6 +790,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
vc_cons[currcons].d = vc;
tty_port_init(&vc->port);
vc->port.ops = &vc_port_ops;
INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
visual_init(vc, currcons, 1);
@ -876,7 +889,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
if (!newscreen)
return -ENOMEM;
if (vc == sel_cons)
if (vc_is_sel(vc))
clear_selection();
old_rows = vc->vc_rows;
@ -2896,6 +2909,7 @@ static int con_install(struct tty_driver *driver, struct tty_struct *tty)
tty->driver_data = vc;
vc->port.tty = tty;
tty_port_get(&vc->port);
if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
tty->winsize.ws_row = vc_cons[currcons].d->vc_rows;
@ -2931,6 +2945,13 @@ static void con_shutdown(struct tty_struct *tty)
console_unlock();
}
static void con_cleanup(struct tty_struct *tty)
{
struct vc_data *vc = tty->driver_data;
tty_port_put(&vc->port);
}
static int default_color = 7; /* white */
static int default_italic_color = 2; // green (ASCII)
static int default_underline_color = 3; // cyan (ASCII)
@ -3055,7 +3076,8 @@ static const struct tty_operations con_ops = {
.throttle = con_throttle,
.unthrottle = con_unthrottle,
.resize = vt_resize,
.shutdown = con_shutdown
.shutdown = con_shutdown,
.cleanup = con_cleanup,
};
static struct cdev vc0_cdev;

80
drivers/tty/vt/vt_ioctl.c
View file

@ -38,11 +38,32 @@
#include <linux/kbd_diacr.h>
#include <linux/selection.h>
char vt_dont_switch;
extern struct tty_driver *console_driver;
bool vt_dont_switch;
#define VT_IS_IN_USE(i) (console_driver->ttys[i] && console_driver->ttys[i]->count)
#define VT_BUSY(i) (VT_IS_IN_USE(i) || i == fg_console || vc_cons[i].d == sel_cons)
static inline bool vt_in_use(unsigned int i)
{
const struct vc_data *vc = vc_cons[i].d;
/*
* console_lock must be held to prevent the vc from being deallocated
* while we're checking whether it's in-use.
*/
WARN_CONSOLE_UNLOCKED();
return vc && kref_read(&vc->port.kref) > 1;
}
static inline bool vt_busy(int i)
{
if (vt_in_use(i))
return true;
if (i == fg_console)
return true;
if (vc_is_sel(vc_cons[i].d))
return true;
return false;
}
/*
* Console (vt and kd) routines, as defined by USL SVR4 manual, and by
@ -292,16 +313,14 @@ static int vt_disallocate(unsigned int vc_num)
int ret = 0;
console_lock();
if (VT_BUSY(vc_num))
if (vt_busy(vc_num))
ret = -EBUSY;
else if (vc_num)
vc = vc_deallocate(vc_num);
console_unlock();
if (vc && vc_num >= MIN_NR_CONSOLES) {
tty_port_destroy(&vc->port);
kfree(vc);
}
if (vc && vc_num >= MIN_NR_CONSOLES)
tty_port_put(&vc->port);
return ret;
}
@ -314,17 +333,15 @@ static void vt_disallocate_all(void)
console_lock();
for (i = 1; i < MAX_NR_CONSOLES; i++)
if (!VT_BUSY(i))
if (!vt_busy(i))
vc[i] = vc_deallocate(i);
else
vc[i] = NULL;
console_unlock();
for (i = 1; i < MAX_NR_CONSOLES; i++) {
if (vc[i] && i >= MIN_NR_CONSOLES) {
tty_port_destroy(&vc[i]->port);
kfree(vc[i]);
}
if (vc[i] && i >= MIN_NR_CONSOLES)
tty_port_put(&vc[i]->port);
}
}
@ -338,22 +355,13 @@ int vt_ioctl(struct tty_struct *tty,
{
struct vc_data *vc = tty->driver_data;
struct console_font_op op; /* used in multiple places here */
unsigned int console;
unsigned int console = vc->vc_num;
unsigned char ucval;
unsigned int uival;
void __user *up = (void __user *)arg;
int i, perm;
int ret = 0;
console = vc->vc_num;
if (!vc_cons_allocated(console)) { /* impossible? */
ret = -ENOIOCTLCMD;
goto out;
}
/*
* To have permissions to do most of the vt ioctls, we either have
* to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
@ -644,15 +652,16 @@ int vt_ioctl(struct tty_struct *tty,
struct vt_stat __user *vtstat = up;
unsigned short state, mask;
/* Review: FIXME: Console lock ? */
if (put_user(fg_console + 1, &vtstat->v_active))
ret = -EFAULT;
else {
state = 1; /* /dev/tty0 is always open */
console_lock(); /* required by vt_in_use() */
for (i = 0, mask = 2; i < MAX_NR_CONSOLES && mask;
++i, mask <<= 1)
if (VT_IS_IN_USE(i))
if (vt_in_use(i))
state |= mask;
console_unlock();
ret = put_user(state, &vtstat->v_state);
}
break;
@ -662,10 +671,11 @@ int vt_ioctl(struct tty_struct *tty,
* Returns the first available (non-opened) console.
*/
case VT_OPENQRY:
/* FIXME: locking ? - but then this is a stupid API */
console_lock(); /* required by vt_in_use() */
for (i = 0; i < MAX_NR_CONSOLES; ++i)
if (! VT_IS_IN_USE(i))
if (!vt_in_use(i))
break;
console_unlock();
uival = i < MAX_NR_CONSOLES ? (i+1) : -1;
goto setint;
@ -1014,12 +1024,12 @@ int vt_ioctl(struct tty_struct *tty,
case VT_LOCKSWITCH:
if (!capable(CAP_SYS_TTY_CONFIG))
return -EPERM;
vt_dont_switch = 1;
vt_dont_switch = true;
break;
case VT_UNLOCKSWITCH:
if (!capable(CAP_SYS_TTY_CONFIG))
return -EPERM;
vt_dont_switch = 0;
vt_dont_switch = false;
break;
case VT_GETHIFONTMASK:
ret = put_user(vc->vc_hi_font_mask,
@ -1187,18 +1197,10 @@ long vt_compat_ioctl(struct tty_struct *tty,
{
struct vc_data *vc = tty->driver_data;
struct console_font_op op; /* used in multiple places here */
unsigned int console;
void __user *up = (void __user *)arg;
int perm;
int ret = 0;
console = vc->vc_num;
if (!vc_cons_allocated(console)) { /* impossible? */
ret = -ENOIOCTLCMD;
goto out;
}
/*
* To have permissions to do most of the vt ioctls, we either have
* to be the owner of the tty, or have CAP_SYS_TTY_CONFIG.
@ -1258,7 +1260,7 @@ long vt_compat_ioctl(struct tty_struct *tty,
arg = (unsigned long)compat_ptr(arg);
goto fallback;
}
out:
return ret;
fallback:

20
drivers/usb/class/cdc-acm.c
View file

@ -828,10 +828,10 @@ static int get_serial_info(struct acm *acm, struct serial_struct __user *info)
tmp.flags = ASYNC_LOW_LATENCY;
tmp.xmit_fifo_size = acm->writesize;
tmp.baud_base = le32_to_cpu(acm->line.dwDTERate);
tmp.close_delay = acm->port.close_delay / 10;
tmp.close_delay = jiffies_to_msecs(acm->port.close_delay) / 10;
tmp.closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE :
acm->port.closing_wait / 10;
jiffies_to_msecs(acm->port.closing_wait) / 10;
if (copy_to_user(info, &tmp, sizeof(tmp)))
return -EFAULT;
@ -844,20 +844,28 @@ static int set_serial_info(struct acm *acm,
{
struct serial_struct new_serial;
unsigned int closing_wait, close_delay;
unsigned int old_closing_wait, old_close_delay;
int retval = 0;
if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
return -EFAULT;
close_delay = new_serial.close_delay * 10;
close_delay = msecs_to_jiffies(new_serial.close_delay * 10);
closing_wait = new_serial.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE : new_serial.closing_wait * 10;
ASYNC_CLOSING_WAIT_NONE :
msecs_to_jiffies(new_serial.closing_wait * 10);
/* we must redo the rounding here, so that the values match */
old_close_delay = jiffies_to_msecs(acm->port.close_delay) / 10;
old_closing_wait = acm->port.closing_wait == ASYNC_CLOSING_WAIT_NONE ?
ASYNC_CLOSING_WAIT_NONE :
jiffies_to_msecs(acm->port.closing_wait) / 10;
mutex_lock(&acm->port.mutex);
if (!capable(CAP_SYS_ADMIN)) {
if ((close_delay != acm->port.close_delay) ||
(closing_wait != acm->port.closing_wait))
if ((new_serial.close_delay != old_close_delay) ||
(new_serial.closing_wait != old_closing_wait))
retval = -EPERM;
else
retval = -EOPNOTSUPP;

6
drivers/usb/core/quirks.c
View file

@ -229,6 +229,12 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
USB_QUIRK_IGNORE_REMOTE_WAKEUP },
/* Realtek hub in Dell WD19 (Type-C) */
{ USB_DEVICE(0x0bda, 0x0487), .driver_info = USB_QUIRK_NO_LPM },
/* Generic RTL8153 based ethernet adapters */
{ USB_DEVICE(0x0bda, 0x8153), .driver_info = USB_QUIRK_NO_LPM },
/* Action Semiconductor flash disk */
{ USB_DEVICE(0x10d6, 0x2200), .driver_info =
USB_QUIRK_STRING_FETCH_255 },

1
drivers/usb/host/xhci-plat.c
View file

@ -573,6 +573,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match);
static struct platform_driver usb_xhci_driver = {
.probe = xhci_plat_probe,
.remove = xhci_plat_remove,
.shutdown = usb_hcd_platform_shutdown,
.driver = {
.name = "xhci-hcd",
.pm = DEV_PM_OPS,

17
drivers/usb/musb/musb_host.c
View file

@ -1494,10 +1494,7 @@ done:
* We need to map sg if the transfer_buffer is
* NULL.
*/
if (!urb->transfer_buffer)
qh->use_sg = true;
if (qh->use_sg) {
if (!urb->transfer_buffer) {
/* sg_miter_start is already done in musb_ep_program */
if (!sg_miter_next(&qh->sg_miter)) {
dev_err(musb->controller, "error: sg list empty\n");
@ -1505,9 +1502,8 @@ done:
status = -EINVAL;
goto done;
}
urb->transfer_buffer = qh->sg_miter.addr;
length = min_t(u32, length, qh->sg_miter.length);
musb_write_fifo(hw_ep, length, urb->transfer_buffer);
musb_write_fifo(hw_ep, length, qh->sg_miter.addr);
qh->sg_miter.consumed = length;
sg_miter_stop(&qh->sg_miter);
} else {
@ -1516,11 +1512,6 @@ done:
qh->segsize = length;
if (qh->use_sg) {
if (offset + length >= urb->transfer_buffer_length)
qh->use_sg = false;
}
musb_ep_select(mbase, epnum);
musb_writew(epio, MUSB_TXCSR,
MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY);
@ -2040,8 +2031,10 @@ finish:
urb->actual_length += xfer_len;
qh->offset += xfer_len;
if (done) {
if (qh->use_sg)
if (qh->use_sg) {
qh->use_sg = false;
urb->transfer_buffer = NULL;
}
if (urb->status == -EINPROGRESS)
urb->status = status;

2
drivers/usb/serial/io_edgeport.c
View file

@ -634,7 +634,7 @@ static void edge_interrupt_callback(struct urb *urb)
/* grab the txcredits for the ports if available */
position = 2;
portNumber = 0;
while ((position < length) &&
while ((position < length - 1) &&
(portNumber < edge_serial->serial->num_ports)) {
txCredits = data[position] | (data[position+1] << 8);
if (txCredits) {

8
drivers/usb/serial/option.c
View file

@ -1172,6 +1172,8 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110a, 0xff), /* Telit ME910G1 */
.driver_info = NCTRL(0) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110b, 0xff), /* Telit ME910G1 (ECM) */
.driver_info = NCTRL(0) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4),
@ -1981,8 +1983,14 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */
{ USB_DEVICE_INTERFACE_CLASS(0x1435, 0xd191, 0xff), /* Wistron Neweb D19Q1 */
.driver_info = RSVD(1) | RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x1690, 0x7588, 0xff), /* ASKEY WWHC050 */
.driver_info = RSVD(1) | RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2033, 0xff), /* BroadMobi BM806U */
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2060, 0xff), /* BroadMobi BM818 */
.driver_info = RSVD(4) },
{ USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */

1
drivers/usb/serial/pl2303.c
View file

@ -88,6 +88,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LD220TA_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LD381_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LD960_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LD960TA_PRODUCT_ID) },
{ USB_DEVICE(HP_VENDOR_ID, HP_LCM220_PRODUCT_ID) },

1
drivers/usb/serial/pl2303.h
View file

@ -128,6 +128,7 @@
#define HP_LM920_PRODUCT_ID 0x026b
#define HP_TD620_PRODUCT_ID 0x0956
#define HP_LD960_PRODUCT_ID 0x0b39
#define HP_LD381_PRODUCT_ID 0x0f7f
#define HP_LCM220_PRODUCT_ID 0x3139
#define HP_LCM960_PRODUCT_ID 0x3239
#define HP_LD220_PRODUCT_ID 0x3524

1
fs/inode.c
View file

@ -137,6 +137,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
inode->i_sb = sb;
inode->i_blkbits = sb->s_blocksize_bits;
inode->i_flags = 0;
atomic64_set(&inode->i_sequence, 0);
atomic_set(&inode->i_count, 1);
inode->i_op = &empty_iops;
inode->i_fop = &no_open_fops;

8
fs/libfs.c
View file

@ -799,7 +799,7 @@ int simple_attr_open(struct inode *inode, struct file *file,
{
struct simple_attr *attr;
attr = kmalloc(sizeof(*attr), GFP_KERNEL);
attr = kzalloc(sizeof(*attr), GFP_KERNEL);
if (!attr)
return -ENOMEM;
@ -839,9 +839,11 @@ ssize_t simple_attr_read(struct file *file, char __user *buf,
if (ret)
return ret;
if (*ppos) { /* continued read */
if (*ppos && attr->get_buf[0]) {
/* continued read */
size = strlen(attr->get_buf);
} else { /* first read */
} else {
/* first read */
u64 val;
ret = attr->get(attr->data, &val);
if (ret)

1
include/linux/fs.h
View file

@ -710,6 +710,7 @@ struct inode {
struct rcu_head i_rcu;
};
u64 i_version;
atomic64_t i_sequence; /* see futex */
atomic_t i_count;
atomic_t i_dio_count;
atomic_t i_writecount;

17
include/linux/futex.h
View file

@ -34,23 +34,26 @@ handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi);
union futex_key {
struct {
u64 i_seq;
unsigned long pgoff;
struct inode *inode;
int offset;
unsigned int offset;
} shared;
struct {
union {
struct mm_struct *mm;
u64 __tmp;
};
unsigned long address;
struct mm_struct *mm;
int offset;
unsigned int offset;
} private;
struct {
u64 ptr;
unsigned long word;
void *ptr;
int offset;
unsigned int offset;
} both;
};
#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = 0ULL } }
#ifdef CONFIG_FUTEX
extern void exit_robust_list(struct task_struct *curr);

5
include/linux/kref.h
View file

@ -33,6 +33,11 @@ static inline void kref_init(struct kref *kref)
atomic_set(&kref->refcount, 1);
}
static inline int kref_read(const struct kref *kref)
{
return atomic_read(&kref->refcount);
}
/**
* kref_get - increment refcount for object.
* @kref: object.

4
include/linux/selection.h
View file

@ -12,8 +12,8 @@
struct tty_struct;
extern struct vc_data *sel_cons;
struct tty_struct;
struct vc_data;
extern void clear_selection(void);
extern int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *tty);
@ -22,6 +22,8 @@ extern int sel_loadlut(char __user *p);
extern int mouse_reporting(void);
extern void mouse_report(struct tty_struct * tty, int butt, int mrx, int mry);
bool vc_is_sel(struct vc_data *vc);
extern int console_blanked;
extern const unsigned char color_table[];

5
include/linux/vmalloc.h
View file

@ -93,8 +93,9 @@ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff);
void vmalloc_sync_all(void);
void vmalloc_sync_mappings(void);
void vmalloc_sync_unmappings(void);
/*
* Lowlevel-APIs (not for driver use!)
*/

2
include/linux/vt_kern.h
View file

@ -141,7 +141,7 @@ static inline bool vt_force_oops_output(struct vc_data *vc)
return false;
}
extern char vt_dont_switch;
extern bool vt_dont_switch;
extern int default_utf8;
extern int global_cursor_default;

1
include/net/ndisc.h
View file

@ -37,6 +37,7 @@ enum {
ND_OPT_DNSSL = 31, /* RFC6106 */
ND_OPT_6CO = 34, /* RFC6775 */
ND_OPT_CAPTIVE_PORTAL = 37, /* RFC7710 */
ND_OPT_PREF64 = 38, /* RFC-ietf-6man-ra-pref64-09 */
__ND_OPT_MAX
};

3
kernel/bpf/syscall.c
View file

@ -983,7 +983,7 @@ static int bpf_prog_detach(const union bpf_attr *attr)
SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, size)
{
union bpf_attr attr = {};
union bpf_attr attr;
int err;
if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN))
@ -1019,6 +1019,7 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
}
/* copy attributes from user space, may be less than sizeof(bpf_attr) */
memset(&attr, 0, sizeof(attr));
if (copy_from_user(&attr, uattr, size) != 0)
return -EFAULT;

93
kernel/futex.c
View file

@ -390,9 +390,9 @@ static inline int hb_waiters_pending(struct futex_hash_bucket *hb)
*/
static struct futex_hash_bucket *hash_futex(union futex_key *key)
{
u32 hash = jhash2((u32*)&key->both.word,
(sizeof(key->both.word)+sizeof(key->both.ptr))/4,
u32 hash = jhash2((u32 *)key, offsetof(typeof(*key), both.offset) / 4,
key->both.offset);
return &futex_queues[hash & (futex_hashsize - 1)];
}
@ -434,7 +434,7 @@ static void get_futex_key_refs(union futex_key *key)
switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
case FUT_OFF_INODE:
ihold(key->shared.inode); /* implies smp_mb(); (B) */
smp_mb(); /* explicit smp_mb(); (B) */
break;
case FUT_OFF_MMSHARED:
futex_get_mm(key); /* implies smp_mb(); (B) */
@ -468,7 +468,6 @@ static void drop_futex_key_refs(union futex_key *key)
switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) {
case FUT_OFF_INODE:
iput(key->shared.inode);
break;
case FUT_OFF_MMSHARED:
mmdrop(key->private.mm);
@ -476,6 +475,46 @@ static void drop_futex_key_refs(union futex_key *key)
}
}
/*
* Generate a machine wide unique identifier for this inode.
*
* This relies on u64 not wrapping in the life-time of the machine; which with
* 1ns resolution means almost 585 years.
*
* This further relies on the fact that a well formed program will not unmap
* the file while it has a (shared) futex waiting on it. This mapping will have
* a file reference which pins the mount and inode.
*
* If for some reason an inode gets evicted and read back in again, it will get
* a new sequence number and will _NOT_ match, even though it is the exact same
* file.
*
* It is important that match_futex() will never have a false-positive, esp.
* for PI futexes that can mess up the state. The above argues that false-negatives
* are only possible for malformed programs.
*/
static u64 get_inode_sequence_number(struct inode *inode)
{
static atomic64_t i_seq;
u64 old;
/* Does the inode already have a sequence number? */
old = atomic64_read(&inode->i_sequence);
if (likely(old))
return old;
for (;;) {
u64 new = atomic64_add_return(1, &i_seq);
if (WARN_ON_ONCE(!new))
continue;
old = atomic64_cmpxchg_relaxed(&inode->i_sequence, 0, new);
if (old)
return old;
return new;
}
}
/**
* get_futex_key() - Get parameters which are the keys for a futex
* @uaddr: virtual address of the futex
@ -488,9 +527,15 @@ static void drop_futex_key_refs(union futex_key *key)
*
* The key words are stored in *key on success.
*
* For shared mappings, it's (page->index, file_inode(vma->vm_file),
* offset_within_page). For private mappings, it's (uaddr, current->mm).
* We can usually work out the index without swapping in the page.
* For shared mappings (when @fshared), the key is:
* ( inode->i_sequence, page->index, offset_within_page )
* [ also see get_inode_sequence_number() ]
*
* For private mappings (or when !@fshared), the key is:
* ( current->mm, address, 0 )
*
* This allows (cross process, where applicable) identification of the futex
* without keeping the page pinned for the duration of the FUTEX_WAIT.
*
* lock_page() might sleep, the caller should not hold a spinlock.
*/
@ -630,8 +675,6 @@ again:
key->private.mm = mm;
key->private.address = address;
get_futex_key_refs(key); /* implies smp_mb(); (B) */
} else {
struct inode *inode;
@ -663,40 +706,14 @@ again:
goto again;
}
/*
* Take a reference unless it is about to be freed. Previously
* this reference was taken by ihold under the page lock
* pinning the inode in place so i_lock was unnecessary. The
* only way for this check to fail is if the inode was
* truncated in parallel which is almost certainly an
* application bug. In such a case, just retry.
*
* We are not calling into get_futex_key_refs() in file-backed
* cases, therefore a successful atomic_inc return below will
* guarantee that get_futex_key() will still imply smp_mb(); (B).
*/
if (!atomic_inc_not_zero(&inode->i_count)) {
rcu_read_unlock();
put_page(page);
goto again;
}
/* Should be impossible but lets be paranoid for now */
if (WARN_ON_ONCE(inode->i_mapping != mapping)) {
err = -EFAULT;
rcu_read_unlock();
iput(inode);
goto out;
}
key->both.offset |= FUT_OFF_INODE; /* inode-based key */
key->shared.inode = inode;
key->shared.i_seq = get_inode_sequence_number(inode);
key->shared.pgoff = basepage_index(tail);
rcu_read_unlock();
}
get_futex_key_refs(key); /* implies smp_mb(); (B) */
out:
put_page(page);
return err;

11
kernel/irq/manage.c
View file

@ -233,7 +233,11 @@ int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask,
if (desc->affinity_notify) {
kref_get(&desc->affinity_notify->kref);
schedule_work(&desc->affinity_notify->work);
if (!schedule_work(&desc->affinity_notify->work)) {
/* Work was already scheduled, drop our extra ref */
kref_put(&desc->affinity_notify->kref,
desc->affinity_notify->release);
}
}
irqd_set(data, IRQD_AFFINITY_SET);
@ -333,7 +337,10 @@ irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify)
raw_spin_unlock_irqrestore(&desc->lock, flags);
if (old_notify) {
cancel_work_sync(&old_notify->work);
if (cancel_work_sync(&old_notify->work)) {
/* Pending work had a ref, put that one too */
kref_put(&old_notify->kref, old_notify->release);
}
kref_put(&old_notify->kref, old_notify->release);
}

2
kernel/notifier.c
View file

@ -577,7 +577,7 @@ NOKPROBE_SYMBOL(notify_die);
int register_die_notifier(struct notifier_block *nb)
{
vmalloc_sync_all();
vmalloc_sync_mappings();
return atomic_notifier_chain_register(&die_chain, nb);
}
EXPORT_SYMBOL_GPL(register_die_notifier);

10
mm/memcontrol.c
View file

@ -3512,7 +3512,7 @@ static void __mem_cgroup_usage_unregister_event(struct mem_cgroup *memcg,
struct mem_cgroup_thresholds *thresholds;
struct mem_cgroup_threshold_ary *new;
unsigned long usage;
int i, j, size;
int i, j, size, entries;
mutex_lock(&memcg->thresholds_lock);
@ -3532,14 +3532,20 @@ static void __mem_cgroup_usage_unregister_event(struct mem_cgroup *memcg,
__mem_cgroup_threshold(memcg, type == _MEMSWAP);
/* Calculate new number of threshold */
size = 0;
size = entries = 0;
for (i = 0; i < thresholds->primary->size; i++) {
if (thresholds->primary->entries[i].eventfd != eventfd)
size++;
else
entries++;
}
new = thresholds->spare;
/* If no items related to eventfd have been cleared, nothing to do */
if (!entries)
goto unlock;
/* Set thresholds array to NULL if we don't have thresholds */
if (!size) {
kfree(new);

10
mm/nommu.c
View file

@ -445,10 +445,14 @@ void vm_unmap_aliases(void)
EXPORT_SYMBOL_GPL(vm_unmap_aliases);
/*
* Implement a stub for vmalloc_sync_all() if the architecture chose not to
* have one.
* Implement a stub for vmalloc_sync_[un]mapping() if the architecture
* chose not to have one.
*/
void __weak vmalloc_sync_all(void)
void __weak vmalloc_sync_mappings(void)
{
}
void __weak vmalloc_sync_unmappings(void)
{
}

32
mm/slub.c
View file

@ -2128,8 +2128,6 @@ static void *get_partial(struct kmem_cache *s, gfp_t flags, int node,
if (node == NUMA_NO_NODE)
searchnode = numa_mem_id();
else if (!node_present_pages(node))
searchnode = node_to_mem_node(node);
object = get_partial_node(s, get_node(s, searchnode), c, flags);
if (object || node != NUMA_NO_NODE)
@ -2725,17 +2723,27 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
struct page *page;
page = c->page;
if (!page)
if (!page) {
/*
* if the node is not online or has no normal memory, just
* ignore the node constraint
*/
if (unlikely(node != NUMA_NO_NODE &&
!node_state(node, N_NORMAL_MEMORY)))
node = NUMA_NO_NODE;
goto new_slab;
}
redo:
if (unlikely(!node_match(page, node))) {
int searchnode = node;
if (node != NUMA_NO_NODE && !node_present_pages(node))
searchnode = node_to_mem_node(node);
if (unlikely(!node_match(page, searchnode))) {
/*
* same as above but node_match() being false already
* implies node != NUMA_NO_NODE
*/
if (!node_state(node, N_NORMAL_MEMORY)) {
node = NUMA_NO_NODE;
goto redo;
} else {
stat(s, ALLOC_NODE_MISMATCH);
deactivate_slab(s, page, c->freelist);
c->page = NULL;
@ -3154,11 +3162,13 @@ redo:
barrier();
if (likely(page == c->page)) {
set_freepointer(s, tail_obj, c->freelist);
void **freelist = READ_ONCE(c->freelist);
set_freepointer(s, tail_obj, freelist);
if (unlikely(!this_cpu_cmpxchg_double(
s->cpu_slab->freelist, s->cpu_slab->tid,
c->freelist, tid,
freelist, tid,
head, next_tid(tid)))) {
note_cmpxchg_failure("slab_free", s, tid);

11
mm/vmalloc.c
View file

@ -1720,7 +1720,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
* First make sure the mappings are removed from all page-tables
* before they are freed.
*/
vmalloc_sync_all();
vmalloc_sync_unmappings();
/*
* In this function, newly allocated vm_struct has VM_UNINITIALIZED
@ -2256,16 +2256,19 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
EXPORT_SYMBOL(remap_vmalloc_range);
/*
* Implement a stub for vmalloc_sync_all() if the architecture chose not to
* have one.
* Implement stubs for vmalloc_sync_[un]mappings () if the architecture chose
* not to have one.
*
* The purpose of this function is to make sure the vmalloc area
* mappings are identical in all page-tables in the system.
*/
void __weak vmalloc_sync_all(void)
void __weak vmalloc_sync_mappings(void)
{
}
void __weak vmalloc_sync_unmappings(void)
{
}
static int f(pte_t *pte, pgtable_t table, unsigned long addr, void *data)
{

2
net/dsa/tag_brcm.c
View file

@ -84,6 +84,8 @@ static struct sk_buff *brcm_tag_xmit(struct sk_buff *skb, struct net_device *dev
brcm_tag[2] = BRCM_IG_DSTMAP2_MASK;
brcm_tag[3] = (1 << p->port) & BRCM_IG_DSTMAP1_MASK;
skb->offload_fwd_mark = 1;
return skb;
out_free:

10
net/hsr/hsr_framereg.c
View file

@ -468,13 +468,9 @@ int hsr_get_node_data(struct hsr_priv *hsr,
struct hsr_port *port;
unsigned long tdiff;
rcu_read_lock();
node = find_node_by_AddrA(&hsr->node_db, addr);
if (!node) {
rcu_read_unlock();
return -ENOENT; /* No such entry */
}
if (!node)
return -ENOENT;
ether_addr_copy(addr_b, node->MacAddressB);
@ -509,7 +505,5 @@ int hsr_get_node_data(struct hsr_priv *hsr,
*addr_b_ifindex = -1;
}
rcu_read_unlock();
return 0;
}

78
net/hsr/hsr_netlink.c
View file

@ -137,6 +137,7 @@ static struct genl_family hsr_genl_family = {
.name = "HSR",
.version = 1,
.maxattr = HSR_A_MAX,
.netnsok = true,
};
static const struct genl_multicast_group hsr_mcgrps[] = {
@ -264,17 +265,16 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
if (!na)
goto invalid;
hsr_dev = __dev_get_by_index(genl_info_net(info),
nla_get_u32(info->attrs[HSR_A_IFINDEX]));
rcu_read_lock();
hsr_dev = dev_get_by_index_rcu(genl_info_net(info),
nla_get_u32(info->attrs[HSR_A_IFINDEX]));
if (!hsr_dev)
goto invalid;
goto rcu_unlock;
if (!is_hsr_master(hsr_dev))
goto invalid;
goto rcu_unlock;
/* Send reply */
skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
if (!skb_out) {
res = -ENOMEM;
goto fail;
@ -326,12 +326,10 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
res = nla_put_u16(skb_out, HSR_A_IF1_SEQ, hsr_node_if1_seq);
if (res < 0)
goto nla_put_failure;
rcu_read_lock();
port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_A);
if (port)
res = nla_put_u32(skb_out, HSR_A_IF1_IFINDEX,
port->dev->ifindex);
rcu_read_unlock();
if (res < 0)
goto nla_put_failure;
@ -341,20 +339,22 @@ static int hsr_get_node_status(struct sk_buff *skb_in, struct genl_info *info)
res = nla_put_u16(skb_out, HSR_A_IF2_SEQ, hsr_node_if2_seq);
if (res < 0)
goto nla_put_failure;
rcu_read_lock();
port = hsr_port_get_hsr(hsr, HSR_PT_SLAVE_B);
if (port)
res = nla_put_u32(skb_out, HSR_A_IF2_IFINDEX,
port->dev->ifindex);
rcu_read_unlock();
if (res < 0)
goto nla_put_failure;
rcu_read_unlock();
genlmsg_end(skb_out, msg_head);
genlmsg_unicast(genl_info_net(info), skb_out, info->snd_portid);
return 0;
rcu_unlock:
rcu_read_unlock();
invalid:
netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL);
return 0;
@ -364,6 +364,7 @@ nla_put_failure:
/* Fall through */
fail:
rcu_read_unlock();
return res;
}
@ -371,16 +372,14 @@ fail:
*/
static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
{
/* For receiving */
struct nlattr *na;
struct net_device *hsr_dev;
/* For sending */
struct sk_buff *skb_out;
void *msg_head;
struct hsr_priv *hsr;
void *pos;
unsigned char addr[ETH_ALEN];
struct net_device *hsr_dev;
struct sk_buff *skb_out;
struct hsr_priv *hsr;
bool restart = false;
struct nlattr *na;
void *pos = NULL;
void *msg_head;
int res;
if (!info)
@ -390,17 +389,17 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
if (!na)
goto invalid;
hsr_dev = __dev_get_by_index(genl_info_net(info),
nla_get_u32(info->attrs[HSR_A_IFINDEX]));
rcu_read_lock();
hsr_dev = dev_get_by_index_rcu(genl_info_net(info),
nla_get_u32(info->attrs[HSR_A_IFINDEX]));
if (!hsr_dev)
goto invalid;
goto rcu_unlock;
if (!is_hsr_master(hsr_dev))
goto invalid;
goto rcu_unlock;
restart:
/* Send reply */
skb_out = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
skb_out = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC);
if (!skb_out) {
res = -ENOMEM;
goto fail;
@ -414,18 +413,26 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
goto nla_put_failure;
}
res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex);
if (res < 0)
goto nla_put_failure;
if (!restart) {
res = nla_put_u32(skb_out, HSR_A_IFINDEX, hsr_dev->ifindex);
if (res < 0)
goto nla_put_failure;
}
hsr = netdev_priv(hsr_dev);
rcu_read_lock();
pos = hsr_get_next_node(hsr, NULL, addr);
if (!pos)
pos = hsr_get_next_node(hsr, NULL, addr);
while (pos) {
res = nla_put(skb_out, HSR_A_NODE_ADDR, ETH_ALEN, addr);
if (res < 0) {
rcu_read_unlock();
if (res == -EMSGSIZE) {
genlmsg_end(skb_out, msg_head);
genlmsg_unicast(genl_info_net(info), skb_out,
info->snd_portid);
restart = true;
goto restart;
}
goto nla_put_failure;
}
pos = hsr_get_next_node(hsr, pos, addr);
@ -437,15 +444,18 @@ static int hsr_get_node_list(struct sk_buff *skb_in, struct genl_info *info)
return 0;
rcu_unlock:
rcu_read_unlock();
invalid:
netlink_ack(skb_in, nlmsg_hdr(skb_in), -EINVAL);
return 0;
nla_put_failure:
kfree_skb(skb_out);
nlmsg_free(skb_out);
/* Fall through */
fail:
rcu_read_unlock();
return res;
}

8
net/hsr/hsr_slave.c
View file

@ -151,16 +151,16 @@ int hsr_add_port(struct hsr_priv *hsr, struct net_device *dev,
if (port == NULL)
return -ENOMEM;
port->hsr = hsr;
port->dev = dev;
port->type = type;
if (type != HSR_PT_MASTER) {
res = hsr_portdev_setup(dev, port);
if (res)
goto fail_dev_setup;
}
port->hsr = hsr;
port->dev = dev;
port->type = type;
list_add_tail_rcu(&port->port_list, &hsr->ports);
synchronize_rcu();

1
net/ipv4/Kconfig
View file

@ -298,6 +298,7 @@ config SYN_COOKIES
config NET_IPVTI
tristate "Virtual (secure) IP: tunneling"
depends on IPV6 || IPV6=n
select INET_TUNNEL
select NET_IP_TUNNEL
depends on INET_XFRM_MODE_TUNNEL

36
net/ipv4/ip_vti.c
View file

@ -208,17 +208,39 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
int mtu;
if (!dst) {
struct rtable *rt;
switch (skb->protocol) {
case htons(ETH_P_IP): {
struct rtable *rt;
fl->u.ip4.flowi4_oif = dev->ifindex;
fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
if (IS_ERR(rt)) {
fl->u.ip4.flowi4_oif = dev->ifindex;
fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
if (IS_ERR(rt)) {
dev->stats.tx_carrier_errors++;
goto tx_error_icmp;
}
dst = &rt->dst;
skb_dst_set(skb, dst);
break;
}
#if IS_ENABLED(CONFIG_IPV6)
case htons(ETH_P_IPV6):
fl->u.ip6.flowi6_oif = dev->ifindex;
fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
if (dst->error) {
dst_release(dst);
dst = NULL;
dev->stats.tx_carrier_errors++;
goto tx_error_icmp;
}
skb_dst_set(skb, dst);
break;
#endif
default:
dev->stats.tx_carrier_errors++;
goto tx_error_icmp;
}
dst = &rt->dst;
skb_dst_set(skb, dst);
}
dst_hold(dst);

7
net/ipv4/route.c
View file

@ -995,21 +995,22 @@ out: kfree_skb(skb);
static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu)
{
struct dst_entry *dst = &rt->dst;
u32 old_mtu = ipv4_mtu(dst);
struct fib_result res;
bool lock = false;
if (ip_mtu_locked(dst))
return;
if (ipv4_mtu(dst) < mtu)
if (old_mtu < mtu)
return;
if (mtu < ip_rt_min_pmtu) {
lock = true;
mtu = ip_rt_min_pmtu;
mtu = min(old_mtu, ip_rt_min_pmtu);
}
if (rt->rt_pmtu == mtu &&
if (rt->rt_pmtu == mtu && !lock &&
time_before(jiffies, dst->expires - ip_rt_mtu_expires / 2))
return;

34
net/ipv6/ip6_vti.c
View file

@ -315,7 +315,7 @@ static int vti6_rcv(struct sk_buff *skb)
if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
rcu_read_unlock();
return 0;
goto discard;
}
ipv6h = ipv6_hdr(skb);
@ -454,15 +454,33 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
int mtu;
if (!dst) {
fl->u.ip6.flowi6_oif = dev->ifindex;
fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
if (dst->error) {
dst_release(dst);
dst = NULL;
switch (skb->protocol) {
case htons(ETH_P_IP): {
struct rtable *rt;
fl->u.ip4.flowi4_oif = dev->ifindex;
fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
if (IS_ERR(rt))
goto tx_err_link_failure;
dst = &rt->dst;
skb_dst_set(skb, dst);
break;
}
case htons(ETH_P_IPV6):
fl->u.ip6.flowi6_oif = dev->ifindex;
fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
if (dst->error) {
dst_release(dst);
dst = NULL;
goto tx_err_link_failure;
}
skb_dst_set(skb, dst);
break;
default:
goto tx_err_link_failure;
}
skb_dst_set(skb, dst);
}
dst_hold(dst);

1
net/ipv6/ndisc.c
View file

@ -197,6 +197,7 @@ static inline int ndisc_is_useropt(const struct net_device *dev,
return opt->nd_opt_type == ND_OPT_RDNSS ||
opt->nd_opt_type == ND_OPT_DNSSL ||
opt->nd_opt_type == ND_OPT_CAPTIVE_PORTAL ||
opt->nd_opt_type == ND_OPT_PREF64 ||
ndisc_ops_is_useropt(dev, opt->nd_opt_type);
}

3
net/mac80211/mesh_hwmp.c
View file

@ -1131,7 +1131,8 @@ int mesh_nexthop_resolve(struct ieee80211_sub_if_data *sdata,
}
}
if (!(mpath->flags & MESH_PATH_RESOLVING))
if (!(mpath->flags & MESH_PATH_RESOLVING) &&
mesh_path_sel_is_hwmp(sdata))
mesh_queue_preq(mpath, PREQ_Q_F_START);
if (skb_queue_len(&mpath->frame_queue) >= MESH_FRAME_QUEUE_LEN)

6
net/mac80211/sta_info.c
View file

@ -3,6 +3,7 @@
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2016 Intel Deutschland GmbH
* Copyright (C) 2018-2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@ -945,6 +946,11 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
might_sleep();
lockdep_assert_held(&local->sta_mtx);
while (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
WARN_ON_ONCE(ret);
}
/* now keys can no longer be reached */
ieee80211_free_sta_keys(local, sta);

20
net/mac80211/tx.c
View file

@ -3412,8 +3412,26 @@ begin:
tx.skb = skb;
tx.sdata = vif_to_sdata(info->control.vif);
if (txq->sta)
if (txq->sta) {
tx.sta = container_of(txq->sta, struct sta_info, sta);
/*
* Drop unicast frames to unauthorised stations unless they are
* EAPOL frames from the local station.
*/
if (unlikely(ieee80211_is_data(hdr->frame_control) &&
!ieee80211_vif_is_mesh(&tx.sdata->vif) &&
tx.sdata->vif.type != NL80211_IFTYPE_OCB &&
!is_multicast_ether_addr(hdr->addr1) &&
!test_sta_flag(tx.sta, WLAN_STA_AUTHORIZED) &&
(!(info->control.flags &
IEEE80211_TX_CTRL_PORT_CTRL_PROTO) ||
!ether_addr_equal(tx.sdata->vif.addr,
hdr->addr2)))) {
I802_DEBUG_INC(local->tx_handlers_drop_unauth_port);
ieee80211_free_txskb(&local->hw, skb);
goto begin;
}
}
/*
* The key can be removed while the packet was queued, so need to call

8
net/netfilter/nft_fwd_netdev.c
View file

@ -62,6 +62,13 @@ nla_put_failure:
return -1;
}
static int nft_fwd_validate(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nft_data **data)
{
return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS));
}
static struct nft_expr_type nft_fwd_netdev_type;
static const struct nft_expr_ops nft_fwd_netdev_ops = {
.type = &nft_fwd_netdev_type,
@ -69,6 +76,7 @@ static const struct nft_expr_ops nft_fwd_netdev_ops = {
.eval = nft_fwd_netdev_eval,
.init = nft_fwd_netdev_init,
.dump = nft_fwd_netdev_dump,
.validate = nft_fwd_validate,
};
static struct nft_expr_type nft_fwd_netdev_type __read_mostly = {

4
net/sched/cls_route.c
View file

@ -542,8 +542,8 @@ static int route4_change(struct net *net, struct sk_buff *in_skb,
fp = &b->ht[h];
for (pfp = rtnl_dereference(*fp); pfp;
fp = &pfp->next, pfp = rtnl_dereference(*fp)) {
if (pfp == f) {
*fp = f->next;
if (pfp == fold) {
rcu_assign_pointer(*fp, fold->next);
break;
}
}

1
net/sched/cls_tcindex.c
View file

@ -325,6 +325,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
if (tcindex_alloc_perfect_hash(cp) < 0)
goto errout;
cp->alloc_hash = cp->hash;
for (i = 0; i < min(cp->hash, p->hash); i++)
cp->perfect[i].res = p->perfect[i].res;
balloc = 1;

2
net/xfrm/xfrm_policy.c
View file

@ -345,7 +345,9 @@ EXPORT_SYMBOL(xfrm_policy_destroy);
static void xfrm_policy_kill(struct xfrm_policy *policy)
{
write_lock_bh(&policy->lock);
policy->walk.dead = 1;
write_unlock_bh(&policy->lock);
atomic_inc(&policy->genid);

6
net/xfrm/xfrm_user.c
View file

@ -109,7 +109,8 @@ static inline int verify_sec_ctx_len(struct nlattr **attrs)
return 0;
uctx = nla_data(rt);
if (uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
if (uctx->len > nla_len(rt) ||
uctx->len != (sizeof(struct xfrm_user_sec_ctx) + uctx->ctx_len))
return -EINVAL;
return 0;
@ -2243,6 +2244,9 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
xfrm_mark_get(attrs, &mark);
err = verify_newpolicy_info(&ua->policy);
if (err)
goto free_state;
err = verify_sec_ctx_len(attrs);
if (err)
goto free_state;

1
scripts/Makefile.extrawarn
View file

@ -70,5 +70,6 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format)
KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare)
KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length)
KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized)
KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
endif
endif

1
scripts/dtc/dtc-lexer.l
View file

@ -38,7 +38,6 @@ LINECOMMENT "//".*\n
#include "srcpos.h"
#include "dtc-parser.tab.h"
YYLTYPE yylloc;
extern bool treesource_error;
/* CAUTION: this will stop working if we ever use yyless() or yyunput() */

1
scripts/dtc/dtc-lexer.lex.c_shipped
View file

@ -646,7 +646,6 @@ char *yytext;
#include "srcpos.h"
#include "dtc-parser.tab.h"
YYLTYPE yylloc;
extern bool treesource_error;
/* CAUTION: this will stop working if we ever use yyless() or yyunput() */

12
sound/core/oss/pcm_plugin.c
View file

@ -111,7 +111,7 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
while (plugin->next) {
if (plugin->dst_frames)
frames = plugin->dst_frames(plugin, frames);
if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0))
if ((snd_pcm_sframes_t)frames <= 0)
return -ENXIO;
plugin = plugin->next;
err = snd_pcm_plugin_alloc(plugin, frames);
@ -123,7 +123,7 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
while (plugin->prev) {
if (plugin->src_frames)
frames = plugin->src_frames(plugin, frames);
if (snd_BUG_ON((snd_pcm_sframes_t)frames <= 0))
if ((snd_pcm_sframes_t)frames <= 0)
return -ENXIO;
plugin = plugin->prev;
err = snd_pcm_plugin_alloc(plugin, frames);
@ -209,6 +209,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
plugin = snd_pcm_plug_last(plug);
while (plugin && drv_frames > 0) {
if (drv_frames > plugin->buf_frames)
drv_frames = plugin->buf_frames;
plugin_prev = plugin->prev;
if (plugin->src_frames)
drv_frames = plugin->src_frames(plugin, drv_frames);
@ -220,6 +222,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_p
plugin_next = plugin->next;
if (plugin->dst_frames)
drv_frames = plugin->dst_frames(plugin, drv_frames);
if (drv_frames > plugin->buf_frames)
drv_frames = plugin->buf_frames;
plugin = plugin_next;
}
} else
@ -248,11 +252,15 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc
if (frames < 0)
return frames;
}
if (frames > plugin->buf_frames)
frames = plugin->buf_frames;
plugin = plugin_next;
}
} else if (stream == SNDRV_PCM_STREAM_CAPTURE) {
plugin = snd_pcm_plug_last(plug);
while (plugin) {
if (frames > plugin->buf_frames)
frames = plugin->buf_frames;
plugin_prev = plugin->prev;
if (plugin->src_frames) {
frames = plugin->src_frames(plugin, frames);

1
sound/core/seq/oss/seq_oss_midi.c
View file

@ -615,6 +615,7 @@ send_midi_event(struct seq_oss_devinfo *dp, struct snd_seq_event *ev, struct seq
len = snd_seq_oss_timer_start(dp->timer);
if (ev->type == SNDRV_SEQ_EVENT_SYSEX) {
snd_seq_oss_readq_sysex(dp->readq, mdev->seq_device, ev);
snd_midi_event_reset_decode(mdev->coder);
} else {
len = snd_midi_event_decode(mdev->coder, msg, sizeof(msg), ev);
if (len > 0)

1
sound/core/seq/seq_virmidi.c
View file

@ -95,6 +95,7 @@ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
if ((ev->flags & SNDRV_SEQ_EVENT_LENGTH_MASK) != SNDRV_SEQ_EVENT_LENGTH_VARIABLE)
continue;
snd_seq_dump_var_event(ev, (snd_seq_dump_func_t)snd_rawmidi_receive, vmidi->substream);
snd_midi_event_reset_decode(vmidi->parser);
} else {
len = snd_midi_event_decode(vmidi->parser, msg, sizeof(msg), ev);
if (len > 0)

2
sound/pci/hda/patch_realtek.c
View file

@ -4212,6 +4212,8 @@ static void alc_determine_headset_type(struct hda_codec *codec)
is_ctia = (val & 0x1c02) == 0x1c02;
break;
case 0x10ec0225:
codec->power_save_node = 1;
/* fall through */
case 0x10ec0295:
case 0x10ec0299:
alc_process_coef_fw(codec, coef0225);

2
sound/usb/line6/driver.c
View file

@ -306,7 +306,7 @@ static void line6_data_received(struct urb *urb)
line6_midibuf_read(mb, line6->buffer_message,
LINE6_MIDI_MESSAGE_MAXLEN);
if (done == 0)
if (done <= 0)
break;
line6->message_length = done;

2
sound/usb/line6/midibuf.c
View file

@ -163,7 +163,7 @@ int line6_midibuf_read(struct midi_buffer *this, unsigned char *data,
int midi_length_prev =
midibuf_message_length(this->command_prev);
if (midi_length_prev > 0) {
if (midi_length_prev > 1) {
midi_length = midi_length_prev - 1;
repeat = 1;
} else

2
tools/perf/Makefile
View file

@ -34,7 +34,7 @@ endif
# Only pass canonical directory names as the output directory:
#
ifneq ($(O),)
FULL_O := $(shell readlink -f $(O) || echo $(O))
FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O))
endif
#

2
tools/perf/util/map.c
View file

@ -88,7 +88,7 @@ static inline bool replace_android_lib(const char *filename, char *newfilename)
return true;
}
if (!strncmp(filename, "/system/lib/", 11)) {
if (!strncmp(filename, "/system/lib/", 12)) {
char *ndk, *app;
const char *arch;
size_t ndk_length;

11
tools/perf/util/probe-finder.c
View file

@ -623,14 +623,19 @@ static int convert_to_trace_point(Dwarf_Die *sp_die, Dwfl_Module *mod,
return -EINVAL;
}
/* Try to get actual symbol name from symtab */
symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL);
if (dwarf_entrypc(sp_die, &eaddr) == 0) {
/* If the DIE has entrypc, use it. */
symbol = dwarf_diename(sp_die);
} else {
/* Try to get actual symbol name and address from symtab */
symbol = dwfl_module_addrsym(mod, paddr, &sym, NULL);
eaddr = sym.st_value;
}
if (!symbol) {
pr_warning("Failed to find symbol at 0x%lx\n",
(unsigned long)paddr);
return -ENOENT;
}
eaddr = sym.st_value;
tp->offset = (unsigned long)(paddr - eaddr);
tp->address = (unsigned long)paddr;

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