linux-kernel - [PATCH RESEND] debugfs: update comment of debugfs

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Date:   Wed,  8 Feb 2023 11:56:34 +0800
From:   Qi Zheng <zhengqi.arch@...edance.com>
To:     gregkh@...uxfoundation.org, rafael@...nel.org
Cc:     linux-kernel@...r.kernel.org, Qi Zheng <zhengqi.arch@...edance.com>
Subject: [PATCH RESEND] debugfs: update comment of debugfs_rename()

Since commit ff9fb72bc077 ("debugfs: return error values,
not NULL") changed return value of debugfs_rename() in
error cases from %NULL to %ERR_PTR(-ERROR), the comment
of debugfs_rename should also be updated so as not to
mislead readers.

Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
---
Resend as a separate patch.

 fs/debugfs/inode.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 2e8e112b1993..58a35afb7c5d 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -802,8 +802,8 @@ EXPORT_SYMBOL_GPL(debugfs_lookup_and_remove);
  * exist for rename to succeed.
  *
  * This function will return a pointer to old_dentry (which is updated to
- * reflect renaming) if it succeeds. If an error occurs, %NULL will be
- * returned.
+ * reflect renaming) if it succeeds. If an error occurs, %ERR_PTR(-ERROR)
+ * will be returned.
  *
  * If debugfs is not enabled in the kernel, the value -%ENODEV will be
  * returned.
-- 
2.20.1