[PATCH 2/3] nilfs2: Fix return in nilfs_mkdir

[Hongling Zeng]

Return NULL instead of passing zero to ERR_PTR.
  Fixes smatch warning:
     - fs/nilfs2/namei.c:261 nilfs_mkdir() warn: passing zero to 'ERR_PTR'

Fixes: 88d5baf69082 ("Change inode_operations.mkdir to return struct dentry *")
Signed-off-by: Hongling Zeng <zenghongling@xxxxxxxxxx>
---
 fs/nilfs2/namei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 40ac679ec56e..e2fe95de3d71 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -258,7 +258,7 @@ static struct dentry *nilfs_mkdir(struct mnt_idmap *idmap, struct inode *dir,
 	else
 		nilfs_transaction_abort(dir->i_sb);
 
-	return ERR_PTR(err);
+	return err ? ERR_PTR(err) : NULL;
 
 out_fail:
 	drop_nlink(inode);
-- 
2.25.1