From 7583cb51a1e276591f57a2fae05489c878f8ef54 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 16 Aug 2007 19:32:16 +0200
Subject: [PATCH] [ALSA] emu10k1 - Fix memory corruption
The number of mixer elements for SPDIF control don't match with the
actual array size (3). This may result in a memory corruption that
overwrites the i2c_capture_source field (ALSA bug#3095).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
---
sound/pci/emu10k1/emumixer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/pci/emu10k1/emumixer.c b/sound/pci/emu10k1/emumixer.c
index 692b871bff57..71ad5a038e81 100644
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -896,7 +896,7 @@ static struct snd_kcontrol_new snd_emu10k1_spdif_mask_control =
.access = SNDRV_CTL_ELEM_ACCESS_READ,
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
- .count = 4,
+ .count = 3,
.info = snd_emu10k1_spdif_info,
.get = snd_emu10k1_spdif_get_mask
};
@@ -905,7 +905,7 @@ static struct snd_kcontrol_new snd_emu10k1_spdif_control =
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
- .count = 4,
+ .count = 3,
.info = snd_emu10k1_spdif_info,
.get = snd_emu10k1_spdif_get,
.put = snd_emu10k1_spdif_put
--
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