[PATCH] proc: more debugging for "already registered" case

[Alexey Dobriyan]

Print parent directory name as well.

Target is to catch non-creation of parent directory when proc_mkdir will
return NULL and all subsequent registrations go directly in /proc
instead of intended directory.

Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---

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

--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -547,8 +547,8 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp
 
 	for (tmp = dir->subdir; tmp; tmp = tmp->next)
 		if (strcmp(tmp->name, dp->name) == 0) {
-			printk(KERN_WARNING "proc_dir_entry '%s' already "
-					"registered\n", dp->name);
+			printk(KERN_WARNING "proc_dir_entry '%s'/'%s' already "
+					"registered\n", dir->name, dp->name);
 			dump_stack();
 			break;
 		}

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