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authorIngo Molnar <mingo@kernel.org>2013-04-19 13:03:08 +0200
committerIngo Molnar <mingo@kernel.org>2013-04-19 13:03:08 +0200
commit5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e (patch)
tree524d8ac34cc8c7ef68b43e3ee6e08e27db86299c /lib/kobject.c
parentb6d5278dc8385eaf2e3904a4af444a04f6ae4e71 (diff)
parent94c1acf2c85b03a59a42d931a94a13a76c123a62 (diff)
Merge tag 'edac_amd_f16h' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/ras
Pull AMD F16h support for amd64_edac from Borislav Petkov. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/kobject.c')
-rw-r--r--lib/kobject.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/kobject.c b/lib/kobject.c
index e07ee1fcd6f..a65486613d7 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -529,6 +529,13 @@ struct kobject *kobject_get(struct kobject *kobj)
return kobj;
}
+static struct kobject *kobject_get_unless_zero(struct kobject *kobj)
+{
+ if (!kref_get_unless_zero(&kobj->kref))
+ kobj = NULL;
+ return kobj;
+}
+
/*
* kobject_cleanup - free kobject resources.
* @kobj: object to cleanup
@@ -751,7 +758,7 @@ struct kobject *kset_find_obj(struct kset *kset, const char *name)
list_for_each_entry(k, &kset->list, entry) {
if (kobject_name(k) && !strcmp(kobject_name(k), name)) {
- ret = kobject_get(k);
+ ret = kobject_get_unless_zero(k);
break;
}
}