[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/cmi8330.c b/sound/isa/cmi8330.c
index bc0f5eb..35780b8 100644
--- a/sound/isa/cmi8330.c
+++ b/sound/isa/cmi8330.c
@@ -699,10 +699,8 @@
 			continue;
 		device = platform_device_register_simple(CMI8330_DRIVER,
 							 i, NULL, 0);
-		if (IS_ERR(device)) {
-			err = PTR_ERR(device);
-			goto errout;
-		}
+		if (IS_ERR(device))
+			continue;
 		platform_devices[i] = device;
 		cards++;
 	}
@@ -719,14 +717,10 @@
 #ifdef MODULE
 		snd_printk(KERN_ERR "CMI8330 not found or device busy\n");
 #endif
-		err = -ENODEV;
-		goto errout;
+		snd_cmi8330_unregister_all();
+		return -ENODEV;
 	}
 	return 0;
-
- errout:
-	snd_cmi8330_unregister_all();
-	return err;
 }
 
 static void __exit alsa_card_cmi8330_exit(void)