linux-kernel - [Xen-devel][PATCH] ALSA: xen-front: Do not use stream buffer size before it is set

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Message-Id: <20190404123838.22162-1-andr2000@gmail.com>
Date:   Thu,  4 Apr 2019 15:38:38 +0300
From:   Oleksandr Andrushchenko <andr2000@...il.com>
To:     xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org, jgross@...e.com,
        boris.ostrovsky@...cle.com, konrad.wilk@...cle.com, perex@...ex.cz,
        tiwai@...e.com
Cc:     andr2000@...il.com,
        Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
Subject: [Xen-devel][PATCH] ALSA: xen-front: Do not use stream buffer size before it is set

From: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>

This fixes the regression introduced while moving to Xen shared
buffer implementation.

Fixes: 58f9d806d16a ("ALSA: xen-front: Use Xen common shared buffer implementation")

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
---
 sound/xen/xen_snd_front_alsa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/xen/xen_snd_front_alsa.c b/sound/xen/xen_snd_front_alsa.c
index a7f413cb704d..b14ab512c2ce 100644
--- a/sound/xen/xen_snd_front_alsa.c
+++ b/sound/xen/xen_snd_front_alsa.c
@@ -441,7 +441,7 @@ static int shbuf_setup_backstore(struct xen_snd_front_pcm_stream_info *stream,
 {
 	int i;
 
-	stream->buffer = alloc_pages_exact(stream->buffer_sz, GFP_KERNEL);
+	stream->buffer = alloc_pages_exact(buffer_sz, GFP_KERNEL);
 	if (!stream->buffer)
 		return -ENOMEM;
 
-- 
2.21.0