Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-18 09:02:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: Fix soc-cache buffer overflow bug

Browse Source 
Make sure we stay within the cache boundaries when updating the
register cache.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Dimitris Papastamos 2010-09-21 14:12:35 +01:00 committed by Mark Brown
parent 0b25ad0571
commit fa6d529389
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sound/soc/soc-cache.c
View File

@ -203,8 +203,9 @@ static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
data[1] = (value >> 8) & 0xff;
data[2] = value & 0xff;
if (!snd_soc_codec_volatile_register(codec, reg))
reg_cache[reg] = value;
if (!snd_soc_codec_volatile_register(codec, reg)
&& reg < codec->driver->reg_cache_size)
reg_cache[reg] = value;
if (codec->cache_only) {
codec->cache_sync = 1;