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| author | Yufen Yu <yuyufen@huawei.com> | 2021-05-24 05:38:11 -0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-05-25 08:59:08 +0200 |
| commit | a38e93302ee25b2ca6f4ee76c6c974cf3637985e (patch) | |
| tree | 682d6ffbdebdc1fd6e3c28cc7f060742ac19a7ad | |
| parent | 877013bc9cbdd37dfc12d87feca4e368d38ebc6f (diff) | |
| download | lwn-a38e93302ee25b2ca6f4ee76c6c974cf3637985e.tar.gz lwn-a38e93302ee25b2ca6f4ee76c6c974cf3637985e.zip | |
ALSA: ac97: fix PM reference leak in ac97_bus_remove()
pm_runtime_get_sync will increment pm usage counter even it failed.
Forgetting to putting operation will result in reference leak here.
Fix it by replacing it with pm_runtime_resume_and_get to keep usage
counter balanced.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Link: https://lore.kernel.org/r/20210524093811.612302-1-yuyufen@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/ac97/bus.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/ac97/bus.c b/sound/ac97/bus.c index d9077e91382b..6ddf646cda65 100644 --- a/sound/ac97/bus.c +++ b/sound/ac97/bus.c @@ -520,7 +520,7 @@ static int ac97_bus_remove(struct device *dev) struct ac97_codec_driver *adrv = to_ac97_driver(dev->driver); int ret; - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) return ret; |