[PATCH] 9p: v9fs_file_do_lock: replace WARN_ONCE with p9_debug

From: Dominique Martinet via B4 Relay

Date: Thu May 28 2026 - 23:09:41 EST


From: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>

This warning depends on server-provided data, we should not use
WARN here

Reported-by: Yifei Chu <yifeichu24@xxxxxxxxx>
Closes: https://lore.kernel.org/r/CAPJnbgJ7ZK7DCjCfG56hd_iKGePmAzudb4hOWd4=9r32nM+KcA@xxxxxxxxxxxxxx
Signed-off-by: Dominique Martinet <asmadeus@xxxxxxxxxxxxx>
---
fs/9p/vfs_file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index c5e73c37baea55394294b939fdda7170db8503c0..cddfb4b7ce4e22aacad7b51f6e6cbd164b7c2f8f 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -198,7 +198,7 @@ static int v9fs_file_do_lock(struct file *filp, int cmd, struct file_lock *fl)
res = -EAGAIN;
break;
default:
- WARN_ONCE(1, "unknown lock status code: %d\n", status);
+ p9_debug(P9_DEBUG_ERROR, "unknown lock status code: %d\n", status);
fallthrough;
case P9_LOCK_ERROR:
case P9_LOCK_GRACE:

---
base-commit: 3ec9e935015b11236ba778885d89e399f00d6b50
change-id: 20260529-lock-warn-f014cac9badd

Best regards,
--
Dominique Martinet <asmadeus@xxxxxxxxxxxxx>