btrfs: remove redundant null check in btrfs_dentry_release()

It doesn't need to check NULL for kfree()

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5c0def8..36c13e3 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5168,8 +5168,7 @@ static int btrfs_dentry_delete(const struct dentry *dentry)
 
 static void btrfs_dentry_release(struct dentry *dentry)
 {
-       if (dentry->d_fsdata)
-               kfree(dentry->d_fsdata);
+       kfree(dentry->d_fsdata);
 }
 
 static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,