From 7152447df98b3981d621224be947a2c8d77aed06 Mon Sep 17 00:00:00 2001
From: Rene Herman <rene.herman@keyaccess.nl>
Date: Thu, 13 Apr 2006 12:58:06 +0200
Subject: [PATCH] [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    | 14 +++++++++-----
 sound/drivers/dummy.c         |  4 ++++
 sound/drivers/mpu401/mpu401.c |  4 ++++
 sound/drivers/mtpav.c         | 14 +++++++++-----
 sound/drivers/serial-u16550.c |  4 ++++
 sound/drivers/virmidi.c       |  4 ++++
 sound/ppc/powermac.c          | 14 +++++++++-----
 7 files changed, 43 insertions(+), 15 deletions(-)

diff --git a/sound/arm/sa11xx-uda1341.c b/sound/arm/sa11xx-uda1341.c
index 13057d92f08..9211348824a 100644
--- a/sound/arm/sa11xx-uda1341.c
+++ b/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)
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index ae0df549fac..ffeafaf2ecc 100644
--- a/sound/drivers/dummy.c
+++ b/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++;
 	}
diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c
index 77b06009735..d3cbbb04758 100644
--- a/sound/drivers/mpu401/mpu401.c
+++ b/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++;
 	}
diff --git a/sound/drivers/mtpav.c b/sound/drivers/mtpav.c
index b7a0b42813e..474eed06e70 100644
--- a/sound/drivers/mtpav.c
+++ b/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)
diff --git a/sound/drivers/serial-u16550.c b/sound/drivers/serial-u16550.c
index c01b4c5118b..2330fec505d 100644
--- a/sound/drivers/serial-u16550.c
+++ b/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++;
 	}
diff --git a/sound/drivers/virmidi.c b/sound/drivers/virmidi.c
index 26eb2499d44..59171f8200d 100644
--- a/sound/drivers/virmidi.c
+++ b/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++;
 	}
diff --git a/sound/ppc/powermac.c b/sound/ppc/powermac.c
index f4902a219e5..875f1f7bdc5 100644
--- a/sound/ppc/powermac.c
+++ b/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;
 
 }
 
-- 
2.20.1