[PATCH 4.7 137/143] ALSA: line6: Remove double line6_pcm_release() after failed acquire.

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4.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Andrej Krutak <dev@xxxxxxxxx>

commit 7e4379eae0e31994ea645db1d13006ea8e5ce539 upstream.

If there's an error, pcm is released in line6_pcm_acquire already.

Fixes: 247d95ee6dd2 ('ALSA: line6: Handle error from line6_pcm_acquire()')
Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxx>
Signed-off-by: Andrej Krutak <dev@xxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 sound/usb/line6/pcm.c |    1 -
 1 file changed, 1 deletion(-)

--- a/sound/usb/line6/pcm.c
+++ b/sound/usb/line6/pcm.c
@@ -55,7 +55,6 @@ static int snd_line6_impulse_volume_put(
 		err = line6_pcm_acquire(line6pcm, LINE6_STREAM_IMPULSE);
 		if (err < 0) {
 			line6pcm->impulse_volume = 0;
-			line6_pcm_release(line6pcm, LINE6_STREAM_IMPULSE);
 			return err;
 		}
 	} else {


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