The d_hash_and_lookup() function returns error pointers or NULL.
Most incorrect error checks were fixed, but the one in int path_pts()
was forgotten.
Fixes: eedf265aa003 ("devpts: Make each mount of devpts an independent filesystem.")
Signed-off-by: Wang Ming <machel@xxxxxxxx>
---
fs/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/namei.c b/fs/namei.c
index e56ff39a79bc..2bae29ea52ff 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2890,7 +2890,7 @@ int path_pts(struct path *path)
dput(path->dentry);
path->dentry = parent;
child = d_hash_and_lookup(parent, &this);
- if (!child)
+ if (IS_ERR_OR_NULL(child))
return -ENOENT;
path->dentry = child;
--
2.25.1
