[ 3.5.y.z extended stable ] Patch "ALSA: ak4xx-adda: info leak in ak4xxx_capture_source_info()" has been added to staging queue

[Luis Henriques]

This is a note to let you know that I have just added a patch titled

    ALSA: ak4xx-adda: info leak in ak4xxx_capture_source_info()

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From a796964a4639785ae2f7f11d54938e1f437b0057 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter at oracle.com>
Date: Wed, 26 Jun 2013 10:52:20 +0300
Subject: [PATCH] ALSA: ak4xx-adda: info leak in ak4xxx_capture_source_info()

commit bd5fe738e388ceaa32e5171481e0d3ec59f0ccfe upstream.

"idx" is controled by the user and can be a negative offset into the
input_names[] array.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: Takashi Iwai <tiwai at suse.de>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 sound/i2c/other/ak4xxx-adda.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index cef813d..ed726d1 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -571,7 +571,7 @@ static int ak4xxx_capture_source_info(struct snd_kcontrol *kcontrol,
 	struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
 	int mixer_ch = AK_GET_SHIFT(kcontrol->private_value);
 	const char **input_names;
-	int  num_names, idx;
+	unsigned int num_names, idx;

 	num_names = ak4xxx_capture_num_inputs(ak, mixer_ch);
 	if (!num_names)
--
1.8.3.2