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authorClemens Ladisch <clemens@ladisch.de>2007-08-10 11:41:07 +0400
committerJaroslav Kysela <perex@perex.cz>2007-10-16 17:58:38 +0400
commit0e75182cf34ab7f7f1d88c1231fcc04780a7dc7d (patch)
tree6d5d27292e10d202ca3ba69e8a4d1ae70a2dd723 /sound/core
parentbf8c1382c0339e95e89394f59a149610dd2d828f (diff)
downloadlinux-0e75182cf34ab7f7f1d88c1231fcc04780a7dc7d.tar.xz
[ALSA] seq_midi_event: fix parsing of F9/FD bytes
Check for a valid event type when encoding a system real-time message to prevent the bytes F9 or FD resulting in an empty sequencer message. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/seq/seq_midi_event.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/core/seq/seq_midi_event.c b/sound/core/seq/seq_midi_event.c
index a15f5e68e0b6..46416771c9b3 100644
--- a/sound/core/seq/seq_midi_event.c
+++ b/sound/core/seq/seq_midi_event.c
@@ -252,7 +252,7 @@ int snd_midi_event_encode_byte(struct snd_midi_event *dev, int c,
ev->type = status_event[ST_SPECIAL + c - 0xf0].event;
ev->flags &= ~SNDRV_SEQ_EVENT_LENGTH_MASK;
ev->flags |= SNDRV_SEQ_EVENT_LENGTH_FIXED;
- return 1;
+ return ev->type != SNDRV_SEQ_EVENT_NONE;
}
spin_lock_irqsave(&dev->lock, flags);