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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-17 17:24:35 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-04-17 17:24:35 +0400 |
| commit | 753e23ea588d353da9d0a2672828336453607265 (patch) | |
| tree | a0eb4875ecde41725fe890e27f52d69812031ea1 /lib/kobject.c | |
| parent | c999836d37c6c1125e856f68877ae13952baa61a (diff) | |
| parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) | |
| download | linux-753e23ea588d353da9d0a2672828336453607265.tar.xz | |
Merge tag 'v3.9-rc7' into asoc-dma
Linux 3.9-rc7
Diffstat (limited to 'lib/kobject.c')
| -rw-r--r-- | lib/kobject.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/kobject.c b/lib/kobject.c index e07ee1fcd6f1..a65486613d79 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; } } |