[PATCH 4.16 039/113] ALSA: dice: fix error path to destroy initialized stream data

From: Greg Kroah-Hartman
Date: Mon Apr 30 2018 - 15:40:06 EST


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

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

From: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx> # v4.6+
Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
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;
}
}