diff options
Diffstat (limited to 'sound/soc/soc-cache.c')
| -rw-r--r-- | 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 3fa77d5f9b75..8fff5b6d86db 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -72,6 +72,9 @@ int snd_soc_cache_init(struct snd_soc_codec *codec) reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; + if (!reg_size) + return -EINVAL; + mutex_init(&codec->cache_rw_mutex); dev_dbg(codec->dev, "ASoC: Initializing cache for %s codec\n", |