[ALSA] unregister platform device again if probe was unsuccessful

This second one unregisters the platform device again when the probe is
unsuccesful for sound/drivers, sound/arm/sa11xx-uda1341.c and
sound/ppc/powermac.c. This gets them all.
Signed-off-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/arm/sa11xx-uda1341.c

@@ -984,11 +984,15 @@ static int __init sa11xx_uda1341_init(void)
 	if ((err = platform_driver_register(&sa11xx_uda1341_driver)) < 0)
 		return err;
 	device = platform_device_register_simple(SA11XX_UDA1341_DRIVER, -1, NULL, 0);
-	if (IS_ERR(device)) {
-		platform_driver_unregister(&sa11xx_uda1341_driver);
-		return PTR_ERR(device);
-	}
-	return 0;
+	if (!IS_ERR(device)) {
+		if (platform_get_drvdata(device))
+			return 0;
+		platform_device_unregister(device);
+		err = -ENODEV
+	} else
+		err = PTR_ERR(device);
+	platform_driver_unregister(&sa11xx_uda1341_driver);
+	return err;
 }
 
 static void __exit sa11xx_uda1341_exit(void)

sound/drivers/dummy.c

@@ -677,6 +677,10 @@ static int __init alsa_card_dummy_init(void)
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}

sound/drivers/mpu401/mpu401.c

@@ -253,6 +253,10 @@ static int __init alsa_card_mpu401_init(void)
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		platform_devices[i] = device;
 		snd_mpu401_devices++;
 	}

sound/drivers/mtpav.c

@@ -770,11 +770,15 @@ static int __init alsa_card_mtpav_init(void)
 		return err;
 
 	device = platform_device_register_simple(SND_MTPAV_DRIVER, -1, NULL, 0);
-	if (IS_ERR(device)) {
-		platform_driver_unregister(&snd_mtpav_driver);
-		return PTR_ERR(device);
-	}
-	return 0;
+	if (!IS_ERR(device)) {
+		if (platform_get_drvdata(device))
+			return 0;
+		platform_device_unregister(device);
+		err = -ENODEV;
+	} else
+		err = PTR_ERR(device);
+	platform_driver_unregister(&snd_mtpav_driver);
+	return err;
 }
 
 static void __exit alsa_card_mtpav_exit(void)

sound/drivers/serial-u16550.c

@@ -998,6 +998,10 @@ static int __init alsa_card_serial_init(void)
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}

sound/drivers/virmidi.c

@@ -171,6 +171,10 @@ static int __init alsa_card_virmidi_init(void)
 							 i, NULL, 0);
 		if (IS_ERR(device))
 			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
 		devices[i] = device;
 		cards++;
 	}

sound/ppc/powermac.c

@@ -188,11 +188,15 @@ static int __init alsa_card_pmac_init(void)
 	if ((err = platform_driver_register(&snd_pmac_driver)) < 0)
 		return err;
 	device = platform_device_register_simple(SND_PMAC_DRIVER, -1, NULL, 0);
-	if (IS_ERR(device)) {
-		platform_driver_unregister(&snd_pmac_driver);
-		return PTR_ERR(device);
-	}
-	return 0;
+	if (!IS_ERR(device)) {
+		if (platform_get_drvdata(device))
+			return 0;
+		platform_device_unregister(device);
+		err = -ENODEV;
+	} else
+		err = PTR_ERR(device);
+	platform_driver_unregister(&snd_pmac_driver);
+	return err;
 
 }