diff --git a/sound/drivers/opl3/opl3_seq.c b/sound/drivers/opl3/opl3_seq.c
index e26556d..57becf3 100644
--- a/sound/drivers/opl3/opl3_seq.c
+++ b/sound/drivers/opl3/opl3_seq.c
@@ -207,8 +207,10 @@
 						      16, voices,
 						      name);
 	if (opl3->chset->port < 0) {
+		int port;
+		port = opl3->chset->port;
 		snd_midi_channel_free_set(opl3->chset);
-		return opl3->chset->port;
+		return port;
 	}
 	return 0;
 }
@@ -218,7 +220,7 @@
 static int snd_opl3_seq_new_device(struct snd_seq_device *dev)
 {
 	struct snd_opl3 *opl3;
-	int client;
+	int client, err;
 	char name[32];
 	int opl_ver;
 
@@ -239,7 +241,11 @@
 	if (client < 0)
 		return client;
 
-	snd_opl3_synth_create_port(opl3);
+	if ((err = snd_opl3_synth_create_port(opl3)) < 0) {
+		snd_seq_delete_kernel_client(client);
+		opl3->seq_client = -1;
+		return err;
+	}
 
 	/* initialize instrument list */
 	opl3->ilist = snd_seq_instr_list_new();