[PATCH] btrfs: remove redundant NULL check

From: Yang Li
Date: Thu Jan 21 2021 - 03:23:56 EST


Fix below warnings reported by coccicheck:
./fs/btrfs/raid56.c:237:2-8: WARNING: NULL check before some freeing
functions is not needed.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Yang Li <abaci-bugfix@xxxxxxxxxxxxxxxxx>
---
fs/btrfs/raid56.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c
index 93fbf87..5394641 100644
--- a/fs/btrfs/raid56.c
+++ b/fs/btrfs/raid56.c
@@ -233,8 +233,7 @@ int btrfs_alloc_stripe_hash_table(struct btrfs_fs_info *info)
}

x = cmpxchg(&info->stripe_hash_table, NULL, table);
- if (x)
- kvfree(x);
+ kvfree(x);
return 0;
}

--
1.8.3.1