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Commit d47372e8 authored by Dimitris Papastamos's avatar Dimitris Papastamos Committed by Mark Brown
Browse files

ASoC: Fix soc-cache buffer overflow bug 



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

Signed-off-by: default avatarDimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent cbfa5184

sound/soc/soc-cache.c

+3 −2
Original line number Diff line number Diff line
@@ -203,7 +203,8 @@ 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))

	if (!snd_soc_codec_volatile_register(codec, reg)

		&& reg < codec->driver->reg_cache_size)

			reg_cache[reg] = value;



	if (codec->cache_only) {