[alsa-devel] [PATCH] ASoC: Check for NULL register bank in snd_soc_get_cache_val()

Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/soc-cache.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index d82ab42..9a88a27 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -463,6 +463,9 @@ 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;