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-rw-r--r--sound/soc/soc-cache.c3
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",