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| author | Takashi Iwai <tiwai@suse.de> | 2008-04-17 14:53:26 +0400 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-04-24 14:00:39 +0400 |
| commit | 9eb70e68f38bbc5996a2193e7b7dc0b5487a08cb (patch) | |
| tree | f4079da04cd967a58e95b77b44a00e914d129f5f | |
| parent | f18638dcf0c481eca2430206ebcdc7295aec8623 (diff) | |
| download | linux-9eb70e68f38bbc5996a2193e7b7dc0b5487a08cb.tar.xz | |
[ALSA] usb-audio - Fix race in reconnection
Fix the race at reconnection of the device.
The disconnected usb_chip[] must be cleared before the next probe
call properly.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/usb/usbaudio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 7b3bcf1916d2..410be4aff1ba 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -3424,7 +3424,6 @@ 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; } @@ -3689,6 +3688,7 @@ 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(®ister_mutex); snd_card_free_when_closed(card); } else { |