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",