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-rw-r--r--lib/kobject.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/kobject.c b/lib/kobject.c
index fe4ae36ce96..efe67fa96a7 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -72,6 +72,8 @@ static int get_kobj_path_length(struct kobject *kobj)
* Add 1 to strlen for leading '/' of each level.
*/
do {
+ if (kobject_name(parent) == NULL)
+ return 0;
length += strlen(kobject_name(parent)) + 1;
parent = parent->parent;
} while (parent);
@@ -107,6 +109,8 @@ char *kobject_get_path(struct kobject *kobj, gfp_t gfp_mask)
int len;
len = get_kobj_path_length(kobj);
+ if (len == 0)
+ return NULL;
path = kmalloc(len, gfp_mask);
if (!path)
return NULL;