Patch "ALSA: line6: Remove double line6_pcm_release() after failed acquire." has been added to the 4.7-stable tree

Patch "ALSA: line6: Remove double line6_pcm_release() after failed acquire." has been added to the 4.7-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    ALSA: line6: Remove double line6_pcm_release() after failed acquire.

to the 4.7-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     alsa-line6-remove-double-line6_pcm_release-after-failed-acquire.patch
and it can be found in the queue-4.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 7e4379eae0e31994ea645db1d13006ea8e5ce539 Mon Sep 17 00:00:00 2001
From: Andrej Krutak <dev@andree.sk>
Date: Thu, 18 Aug 2016 23:52:10 +0200
Subject: ALSA: line6: Remove double line6_pcm_release() after failed acquire.

From: Andrej Krutak <dev@andree.sk>

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@gmail.com>
Signed-off-by: Andrej Krutak <dev@andree.sk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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 {


Patches currently in stable-queue which might be from dev@andree.sk are

queue-4.7/alsa-line6-give-up-on-the-lock-while-urbs-are-released.patch
queue-4.7/alsa-line6-remove-double-line6_pcm_release-after-failed-acquire.patch
queue-4.7/alsa-line6-fix-pod-sysfs-attributes-segfault.patch