[PATCH v2] ALSA: seq: Fix memory leak at error path in snd_seq_create_port()
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@syzkaller.appspotmail.com Closes: https://lore.kernel.org/r/00000000000098ed3a0600965f89@google.com Signed-off-by: Takashi Iwai tiwai@suse.de --- 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; }
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Takashi Iwai