[PATCH v2] kernfs: remove an unused if statement in kernfs_path_from_node_locked()
From: Zhen Lei
Date: Sat Nov 26 2022 - 06:18:09 EST
It makes no sense to call kernfs_path_from_node_locked() with NULL buf,
and no one is doing that right now.
Suggested-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
fs/kernfs/dir.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index f33b3baad07cb36..8a11bf189970274 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -149,9 +149,6 @@ static int kernfs_path_from_node_locked(struct kernfs_node *kn_to,
if (kn_from == kn_to)
return strlcpy(buf, "/", buflen);
- if (!buf)
- return -EINVAL;
-
common = kernfs_common_ancestor(kn_from, kn_to);
if (WARN_ON(!common))
return -EINVAL;
--
2.25.1