path: root/fs/debugfs
diff options
authorGreg Kroah-Hartman <>2019-07-06 17:42:56 +0200
committerGreg Kroah-Hartman <>2019-07-08 10:44:57 +0200
commitc33d442328f556460b79aba6058adb37bb555389 (patch)
treec4bb6aed91a6252aaa243630d8540b8713e94736 /fs/debugfs
parent0979cf95d201f7e9c7c060b96795f39733d2ed6e (diff)
debugfs: make error message a bit more verbose
When a file/directory is already present in debugfs, and it is attempted to be created again, be more specific about what file/directory is being created and where it is trying to be created to give a bit more help to developers to figure out the problem. Cc: Stephen Rothwell <> Cc: Rafael J. Wysocki <> Cc: Mark Brown <> Cc: Takashi Iwai <> Reviewed-by: Mark Brown <> Link: Signed-off-by: Greg Kroah-Hartman <>
Diffstat (limited to 'fs/debugfs')
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 7f43c8acfcbf..5836312269e0 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -311,8 +311,13 @@ static struct dentry *start_creating(const char *name, struct dentry *parent)
dentry = lookup_one_len(name, parent, strlen(name));
if (!IS_ERR(dentry) && d_really_is_positive(dentry)) {
+ if (d_is_dir(dentry))
+ pr_err("Directory '%s' with parent '%s' already present!\n",
+ name, parent->;
+ else
+ pr_err("File '%s' in directory '%s' already present!\n",
+ name, parent->;
- pr_err("File '%s' already present!\n", name);
dentry = ERR_PTR(-EEXIST);