[ALSA] continue on IS_ERR from platform device registration

Continue with the next one on error from device registration.

This would seem the correct thing to do, even if it's not the probe()
error that we're getting.

Signed-off-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 21ea659..24fa190 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -720,10 +720,8 @@
 			continue;
 		device = platform_device_register_simple(SND_SB16_DRIVER,
 							 i, NULL, 0);
-		if (IS_ERR(device)) {
-			err = PTR_ERR(device);
-			goto errout;
-		}
+		if (IS_ERR(device))
+			continue;
 		platform_devices[i] = device;
 		cards++;
 	}
@@ -745,14 +743,10 @@
 		snd_printk(KERN_ERR "In case, if you have AWE card, try snd-sbawe module\n");
 #endif
 #endif
-		err = -ENODEV;
-		goto errout;
+		snd_sb16_unregister_all();
+		return -ENODEV;
 	}
 	return 0;
-
- errout:
-	snd_sb16_unregister_all();
-	return err;
 }
 
 static void __exit alsa_card_sb16_exit(void)