The patch c358e640a66 "ASoC: soc-cache: Add trace event for snd_soc_cache_sync()" introduced a dereference of "codec->cache_ops" before we had checked it for NULL.

I pulled the check forward, and then pulled everything in an indent level.

Signed-off-by: Dan Carpenter error27@gmail.com

diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index db66dc4..5d76da4 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -1609,24 +1609,23 @@ int snd_soc_cache_sync(struct snd_soc_codec *codec) return 0; }

+ if (!codec->cache_ops || !codec->cache_ops->sync) + return -EINVAL; + if (codec->cache_ops->name) name = codec->cache_ops->name; else name = "unknown";

- if (codec->cache_ops && codec->cache_ops->sync) { - if (codec->cache_ops->name) - dev_dbg(codec->dev, "Syncing %s cache for %s codec\n", - codec->cache_ops->name, codec->name); - trace_snd_soc_cache_sync(codec, name, "start"); - ret = codec->cache_ops->sync(codec); - if (!ret) - codec->cache_sync = 0; - trace_snd_soc_cache_sync(codec, name, "end"); - return ret; - } - - return -EINVAL; + if (codec->cache_ops->name) + dev_dbg(codec->dev, "Syncing %s cache for %s codec\n", + codec->cache_ops->name, codec->name); + trace_snd_soc_cache_sync(codec, name, "start"); + ret = codec->cache_ops->sync(codec); + if (!ret) + codec->cache_sync = 0; + trace_snd_soc_cache_sync(codec, name, "end"); + return ret; } EXPORT_SYMBOL_GPL(snd_soc_cache_sync);