[PATCH] kobject: don't oops on null kobject.name
kobject_get_path() will oops if one of the component names is
NULL. Fix that by returning NULL instead of oopsing.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/lib/kobject.c b/lib/kobject.c
index fe4ae36..efe67fa 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -72,6 +72,8 @@
* 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 @@
int len;
len = get_kobj_path_length(kobj);
+ if (len == 0)
+ return NULL;
path = kmalloc(len, gfp_mask);
if (!path)
return NULL;