1 files changed, 2 insertions, 1 deletions

diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 3071e6f5801e..091405385e15 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -248,7 +248,8 @@ static int assign_substream(struct snd_rawmidi *rmidi, int subdevice,
         list_for_each_entry(substream, &s->substreams, list) {
                 if (substream->opened) {
                         if (stream == SNDRV_RAWMIDI_STREAM_INPUT ||
-                            !(mode & SNDRV_RAWMIDI_LFLG_APPEND))
+                            !(mode & SNDRV_RAWMIDI_LFLG_APPEND) ||
+                            !substream->append)
                                 continue;
                 }
                 if (subdevice < 0 || subdevice == substream->number) {