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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-07-02 09:01:31 -0700 |
| commit | 27eb2c4b3d3e13f376a359e293c212a2e9407af5 (patch) | |
| tree | 556aa7b5cd6eeb4214dec129c789515157187010 /lib/kobject.c | |
| parent | Input: tps6507x-ts - convert to polled input device infrastructure (diff) | |
| parent | Input: cyttsp4 - SPI driver for Cypress TMA4XX touchscreen devices (diff) | |
| download | wireguard-linux-27eb2c4b3d3e13f376a359e293c212a2e9407af5.tar.xz wireguard-linux-27eb2c4b3d3e13f376a359e293c212a2e9407af5.zip | |
Merge branch 'next' into for-linus
Prepare first set of updates for 3.11 merge window.
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..b7e29a6056d3 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 * __must_check 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; } } |