ASoC: amd: acp: remove unnecessary NULL check

The list iterator in a list_for_each_entry() loop can never be NULL.
Remove the check and pull the code in a tab.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/e376a712-e0c6-446f-9e0b-c444dd795cbb@moroto.mountainSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/amd/acp/acp63.c

@@ -283,7 +283,6 @@ static int __maybe_unused acp63_pcm_resume(struct device *dev)
 
 	spin_lock(&adata->acp_lock);
 	list_for_each_entry(stream, &adata->stream_list, list) {
-		if (stream) {
 		substream = stream->substream;
 		if (substream && substream->runtime) {
 			buf_in_frames = (substream->runtime->buffer_size);
@@ -296,7 +295,6 @@ static int __maybe_unused acp63_pcm_resume(struct device *dev)
 				restore_acp_pdm_params(substream, adata);
 		}
 	}
-	}
 	spin_unlock(&adata->acp_lock);
 	return 0;
 }