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ALSA: ac97: fix possible memory leak in snd_ac97_dev_register()
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: 0ca06a00e2
("[ALSA] AC97 bus interface for ad-hoc drivers")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221019093025.1179475-1-yangyingliang@huawei.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -2009,6 +2009,7 @@ static int snd_ac97_dev_register(struct snd_device *device)
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err = device_register(&ac97->dev);
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if (err < 0) {
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ac97_err(ac97, "Can't register ac97 bus\n");
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put_device(&ac97->dev);
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ac97->dev.bus = NULL;
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return err;
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}
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