If device_register() fails in snd_ac97_dev_register(), it should call put_device() to give up reference, or the name allocated in dev_set_name() is leaked.

Fixes: 0ca06a00e206 ("[ALSA] AC97 bus interface for ad-hoc drivers") Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- sound/pci/ac97/ac97_codec.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index cb60a07d39a8..ceead55f13ab 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -2009,6 +2009,7 @@ static int snd_ac97_dev_register(struct snd_device *device) err = device_register(&ac97->dev); if (err < 0) { ac97_err(ac97, "Can't register ac97 bus\n"); + put_device(&ac97->dev); ac97->dev.bus = NULL; return err; }