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authorAdrian Bunk <bunk@r063144.stusta.swh.mhn.de>2006-03-20 18:30:36 +0100
committerAdrian Bunk <bunk@r063144.stusta.swh.mhn.de>2006-03-20 18:30:36 +0100
commit0f76ee451484d02c7405d92e7bceb39b415abb01 (patch)
tree9722f84281f786ba48971dde057f5171a49969e4 /lib/kobject.c
parent01d206a7c1167639f6ca6dac22140fbdca017558 (diff)
parent7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff)
Merge with git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
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 7a0e6809490d..efe67fa96a71 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",