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authorAnton Altaparmakov <aia21@cantab.net>2006-02-24 09:06:36 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-02-24 09:06:36 +0000
commitfab8d6ddf6dee2608869005d45fe97f70e4f5bdd (patch)
treefecf566e03a87b2a44c7f3363ddb5c0d4bebdca7 /lib/kobject.c
parent64419d93a5906600af5817ad0cae3c6ecf7fb389 (diff)
parentf52ee1410d563cd409b08822492273a5bc235821 (diff)
Merge branch 'master' of /home/src/linux-2.6/
Diffstat (limited to 'lib/kobject.c')
-rw-r--r--lib/kobject.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/kobject.c b/lib/kobject.c
index 7a0e6809490d4..efe67fa96a716 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;
@@ -162,6 +166,11 @@ int kobject_add(struct kobject * kobj)
return -ENOENT;
if (!kobj->k_name)
kobj->k_name = kobj->name;
+ if (!kobj->k_name) {
+ pr_debug("kobject attempted to be registered with no name!\n");
+ WARN_ON(1);
+ return -EINVAL;
+ }
parent = kobject_get(kobj->parent);
pr_debug("kobject %s: registering. parent: %s, set: %s\n",