[ALSA] usbaudio - Fix kobject_add() error at reconnection
authorTakashi Iwai <tiwai@suse.de>
Mon, 8 Jan 2007 16:42:22 +0000 (17:42 +0100)
committerJaroslav Kysela <perex@suse.cz>
Tue, 9 Jan 2007 08:14:15 +0000 (09:14 +0100)
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>
sound/usb/usbaudio.c

index 5f160eebd15cbbb1edefdd9f4bf206ac1ee0196d..19bdcc74c96c9aa376742135c0c65de753dc62e7 100644 (file)
@@ -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 {