[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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
commit b365b3daf2a9e2a8b002ea9fef877af1c71513fd
tree dcd673d830b61ee37ab433af60c0f81ffaa86779
parent c171fef5c8566cf5f57877e7832fa696ecdf5228
author Chuck Ebbert <[email protected]> Thu, 12 Jan 2006 20:02:00 -0500
committer Greg Kroah-Hartman <[email protected]> Mon, 06 Feb 2006 12:17:17 -0800
lib/kobject.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
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 @@ static int get_kobj_path_length(struct k
* 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 *k
int len;
len = get_kobj_path_length(kobj);
+ if (len == 0)
+ return NULL;
path = kmalloc(len, gfp_mask);
if (!path)
return NULL;
-
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