On Mon, Aug 07, 2017 at 09:18:09PM +0800, Donglin Peng wrote:

> The value of the variable new_name is assigned repeatedly.

> @@ -737,9 +737,6 @@ int snd_soc_new_compress(struct snd_soc_pcm_runtime
> *rtd, int num)
>         }
> 
>         /* check client and interface hw capabilities */
> -       snprintf(new_name, sizeof(new_name), "%s %s-%d",
> -                       rtd->dai_link->stream_name, codec_dai->name, num);
> -

Are you sure that this is the assignment that should be deleted, and if
so why?  Note that it's both conditionally and unconditionally assigned
later on...  Some words in the commit log about why this copy is removed
would be helpful.