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-rw-r--r--lib/kobject.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/kobject.c b/lib/kobject.c
index a6dec32f2dd..bacf6fe4f7a 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -218,6 +218,9 @@ int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
const char *old_name = kobj->name;
char *s;
+ if (kobj->name && !fmt)
+ return 0;
+
kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
if (!kobj->name)
return -ENOMEM;