dm writecache: fix unnecessary NULL check warnings
authorTian Tao <tiantao6@hisilicon.com>
Tue, 26 Jan 2021 02:40:02 +0000 (10:40 +0800)
committerMike Snitzer <snitzer@redhat.com>
Wed, 3 Feb 2021 15:10:05 +0000 (10:10 -0500)
commit21ec672ecf18dd80e58936b0687da9098913c810
tree2b392798e4c1e64cf88022caf9dc061b10c8c847
parentcb728484a7710c202f02b96aa0962ce9b07aa5c2
dm writecache: fix unnecessary NULL check warnings

Remove NULL checks before vfree() to fix these warnings:
./drivers/md/dm-writecache.c:2008:2-7: WARNING: NULL check before some
freeing functions is not needed.
./drivers/md/dm-writecache.c:2024:2-7: WARNING: NULL check before some
freeing functions is not needed.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-writecache.c