--- zzzz-none-000/linux-4.4.271/sound/core/pcm_native.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/sound/core/pcm_native.c	2023-04-19 10:22:30.000000000 +0000
@@ -197,7 +197,6 @@
 
 int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info)
 {
-	struct snd_pcm_runtime *runtime;
 	struct snd_pcm *pcm = substream->pcm;
 	struct snd_pcm_str *pstr = substream->pstr;
 
@@ -213,7 +212,6 @@
 	info->subdevices_count = pstr->substream_count;
 	info->subdevices_avail = pstr->substream_count - pstr->substream_opened;
 	strlcpy(info->subname, substream->name, sizeof(info->subname));
-	runtime = substream->runtime;
 
 	return 0;
 }