We forgot to release a newly allocated item at the error path in
snd_seq_create_port(). This patch fixes it.
Fixes: 7c3f0d3d3a11 ("ALSA: seq: Check the conflicting port at port creation")
Reported-by: syzbot+cf8e7fa4eeec59b3d485@xxxxxxxxxxxxxxxxxxxxxxxxx
Closes: https://lore.kernel.org/r/00000000000098ed3a0600965f89@xxxxxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
v1->v2: only patch meta data correction
sound/core/seq/seq_ports.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
index 9b80f8275026..f3f14ff0f80f 100644
--- a/sound/core/seq/seq_ports.c
+++ b/sound/core/seq/seq_ports.c
@@ -149,6 +149,7 @@ int snd_seq_create_port(struct snd_seq_client *client, int port,
write_lock_irq(&client->ports_lock);
list_for_each_entry(p, &client->ports_list_head, list) {
if (p->addr.port == port) {
+ kfree(new_port);
num = -EBUSY;
goto unlock;
}
--
2.35.3
