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-rw-r--r--sound/usb/pcm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 24839d93264..cdf8b760197 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -788,6 +788,9 @@ static int snd_usb_pcm_check_knot(struct snd_pcm_runtime *runtime,
int count = 0, needs_knot = 0;
int err;
+ kfree(subs->rate_list.list);
+ subs->rate_list.list = NULL;
+
list_for_each_entry(fp, &subs->fmt_list, list) {
if (fp->rates & SNDRV_PCM_RATE_CONTINUOUS)
return 0;