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ASoC: Check for NULL register bank in snd_soc_get_cache_val()

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2011-06-06 11:26:15 +01:00
parent 6ac340623c
commit fd137e2bba
1 changed files with 3 additions and 0 deletions
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3
sound/soc/soc-cache.c
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@ -466,6 +466,9 @@ static bool snd_soc_set_cache_val(void *base, unsigned int idx,
static unsigned int snd_soc_get_cache_val(const void *base, unsigned int idx,
unsigned int word_size)
{
if (!base)
return -1;
switch (word_size) {
case 1: {
const u8 *cache = base;