[ Upstream commit eac2c68d663effb077210218788952b5a0c1f60e ]
The while loop that performs the dma page unmapping never decrements
index counter f and hence loops forever. Fix this with a pre-decrement
on f.
Detected by CoverityScan, CID#1357309 ("Infinite loop")
Fixes:
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.. | ||
nfp | ||
Kconfig | ||
Makefile |