-stable review patch. If anyone has any objections, please let us know.
------------------
From: Takashi Iwai <[email protected]>
patch 7583cb51a1e276591f57a2fae05489c878f8ef54 from mainline.
[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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
sound/pci/emu10k1/emumixer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/sound/pci/emu10k1/emumixer.c
+++ b/sound/pci/emu10k1/emumixer.c
@@ -871,7 +871,7 @@ static struct snd_kcontrol_new snd_emu10
.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
};
@@ -880,7 +880,7 @@ static struct snd_kcontrol_new snd_emu10
{
.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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