From: Yang Yingliang <yangyingliang@xxxxxxxxxx> [ Upstream commit 4881bda5ea05c8c240fc8afeaa928e2bc43f61fa ] 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@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221019093025.1179475-1-yangyingliang@xxxxxxxxxx Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 34d75d4fb93f..a276c4283c7b 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1965,6 +1965,7 @@ static int snd_ac97_dev_register(struct snd_device *device) snd_ac97_get_short_name(ac97)); if ((err = device_register(&ac97->dev)) < 0) { ac97_err(ac97, "Can't register ac97 bus\n"); + put_device(&ac97->dev); ac97->dev.bus = NULL; return err; } -- 2.35.1