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-rw-r--r--lib/kobject.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/kobject.c b/lib/kobject.c
index e07ee1fcd6f1..a65486613d79 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -529,6 +529,13 @@ struct kobject *kobject_get(struct kobject *kobj)
529 return kobj; 529 return kobj;
530} 530}
531 531
532static struct kobject *kobject_get_unless_zero(struct kobject *kobj)
533{
534 if (!kref_get_unless_zero(&kobj->kref))
535 kobj = NULL;
536 return kobj;
537}
538
532/* 539/*
533 * kobject_cleanup - free kobject resources. 540 * kobject_cleanup - free kobject resources.
534 * @kobj: object to cleanup 541 * @kobj: object to cleanup
@@ -751,7 +758,7 @@ struct kobject *kset_find_obj(struct kset *kset, const char *name)
751 758
752 list_for_each_entry(k, &kset->list, entry) { 759 list_for_each_entry(k, &kset->list, entry) {
753 if (kobject_name(k) && !strcmp(kobject_name(k), name)) { 760 if (kobject_name(k) && !strcmp(kobject_name(k), name)) {
754 ret = kobject_get(k); 761 ret = kobject_get_unless_zero(k);
755 break; 762 break;
756 } 763 }
757 } 764 }