linux-kernel - [PATCH 4.14 35/91] ALSA: dice: fix error path to destroy initialized stream data

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Message-Id: <20180430184005.997066310@linuxfoundation.org>
Date:   Mon, 30 Apr 2018 12:24:17 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Takashi Sakamoto <o-takashi@...amocchi.jp>,
        Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 4.14 35/91] ALSA: dice: fix error path to destroy initialized stream data

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

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

From: Takashi Sakamoto <o-takashi@...amocchi.jp>

commit 0f925660a7bc49b269c163249a5d06da3a0c7b0a upstream.

In error path of snd_dice_stream_init_duplex(), stream data for incoming
packet can be left to be initialized.

This commit fixes it.

Fixes: 436b5abe2224 ('ALSA: dice: handle whole available isochronous streams')
Cc: <stable@...r.kernel.org> # v4.6+
Signed-off-by: Takashi Sakamoto <o-takashi@...amocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/firewire/dice/dice-stream.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/firewire/dice/dice-stream.c
+++ b/sound/firewire/dice/dice-stream.c
@@ -435,7 +435,7 @@ int snd_dice_stream_init_duplex(struct s
 		err = init_stream(dice, AMDTP_IN_STREAM, i);
 		if (err < 0) {
 			for (; i >= 0; i--)
-				destroy_stream(dice, AMDTP_OUT_STREAM, i);
+				destroy_stream(dice, AMDTP_IN_STREAM, i);
 			goto end;
 		}
 	}