The patch titled
proc: detect duplicate names on registration
has been added to the -mm tree. Its filename is
proc-detect-duplicate-names-on-registration.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: proc: detect duplicate names on registration
From: Zhang Rui <rui.zhang@xxxxxxxxx>
Print a warning if PDE is registered with a name which already exists in
target directory.
Bug report and a simple fix can be found here:
http://bugzilla.kernel.org/show_bug.cgi?id=8798
[\n fixlet and no undescriptive variable usage --adobriyan]
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/generic.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff -puN fs/proc/generic.c~proc-detect-duplicate-names-on-registration fs/proc/generic.c
--- a/fs/proc/generic.c~proc-detect-duplicate-names-on-registration
+++ a/fs/proc/generic.c
@@ -518,6 +518,7 @@ static const struct inode_operations pro
static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp)
{
unsigned int i;
+ struct proc_dir_entry *tmp;
i = get_inode_number();
if (i == 0)
@@ -536,6 +537,15 @@ static int proc_register(struct proc_dir
}
spin_lock(&proc_subdir_lock);
+
+ for (tmp = dir->subdir; tmp; tmp = tmp->next)
+ if (strcmp(tmp->name, dp->name) == 0) {
+ printk(KERN_WARNING "PDE '%s' already registered\n",
+ dp->name);
+ dump_stack();
+ break;
+ }
+
dp->next = dir->subdir;
dp->parent = dir;
dir->subdir = dp;
_
Patches currently in -mm which might be from rui.zhang@xxxxxxxxx are
git-acpi.patch
proc-detect-duplicate-names-on-registration.patch
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