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At line 294 in drivers/lightnvm/pblk-write.c, function pblk_gen_run_ws is called with actual param GFP_ATOMIC. pblk_gen_run_ws call mempool_alloc using "GFP_ATOMIC" flag, so mempool_alloc can return null. So we need to check the return-val of mempool_alloc to avoid null-ptr-deref bug. Signed-off-by: tangzhenhao <tzh18@mails.tsinghua.edu.cn> Reviewed-by: Matias Bjørling <mb@lightnvm.io> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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.. | ||
core.c | ||
Kconfig | ||
Makefile | ||
pblk-cache.c | ||
pblk-core.c | ||
pblk-gc.c | ||
pblk-init.c | ||
pblk-map.c | ||
pblk-rb.c | ||
pblk-read.c | ||
pblk-recovery.c | ||
pblk-rl.c | ||
pblk-sysfs.c | ||
pblk-trace.h | ||
pblk-write.c | ||
pblk.h |