If the call to kvasprintf fails then the old name of the object will be leaked,
this patch fixes the bug by restoring the old name before returning ENOMEM.
Signed-off-by: Maurizio Lombardi <mlomb...@redhat.com>
---
lib/kobject.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/kobject.c b/lib/kobject.c
index 5b4b888..c2cb934 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -247,8 +247,10 @@ int kobject_set_name_vargs(struct kobject *kobj, const
char *fmt,
return 0;
kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
- if (!kobj->name)
+ if (!kobj->name) {
+ kobj->name = old_name;
return -ENOMEM;
+ }
/* ewww... some of these buggers have '/' in the name ... */
while ((s = strchr(kobj->name, '/')))
--
Maurizio Lombardi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
