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-rw-r--r--sound/usb/stream.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index d16e1c23f4e9..729afd808cc4 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -106,6 +106,8 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
 	subs->ep_num = fp->endpoint;
 	if (fp->channels > subs->channels_max)
 		subs->channels_max = fp->channels;
+
+	snd_usb_preallocate_buffer(subs);
 }
 
 /* kctl callbacks for usb-audio channel maps */