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[ALSA] usbaudio - Fix kobject_add() error at reconnection
Fixed the error from kobject_add() at reconnection the usb audio device. This happens when an app keeps opening a device while the device is replugged, due to the confliction of the internal bookkept index and the really empty slot. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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@ -3286,6 +3286,7 @@ static void snd_usb_audio_create_proc(struct snd_usb_audio *chip)
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static int snd_usb_audio_free(struct snd_usb_audio *chip)
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{
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usb_chip[chip->index] = NULL;
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kfree(chip);
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return 0;
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}
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@ -3547,7 +3548,6 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr)
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list_for_each(p, &chip->mixer_list) {
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snd_usb_mixer_disconnect(p);
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}
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usb_chip[chip->index] = NULL;
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mutex_unlock(®ister_mutex);
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snd_card_free_when_closed(card);
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} else {
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