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Commit 2a2a5ddd authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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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: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 7fbe3ca5

sound/usb/usbaudio.c

+1 −1
Original line number Diff line number Diff line
@@ -3286,6 +3286,7 @@ static void snd_usb_audio_create_proc(struct snd_usb_audio *chip) 


static int snd_usb_audio_free(struct snd_usb_audio *chip)

{

	usb_chip[chip->index] = NULL;

	kfree(chip);

	return 0;

}
@@ -3547,7 +3548,6 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, void *ptr) 
		list_for_each(p, &chip->mixer_list) {

			snd_usb_mixer_disconnect(p);

		}

		usb_chip[chip->index] = NULL;

		mutex_unlock(&register_mutex);

		snd_card_free_when_closed(card);

	} else {