[ALSA] unregister platform device again if probe was unsuccessful

Unregister the platform device again if the probe was unsuccessful.

This restores the behaviour of not loading the driver on probe() failure.

Signed-off-by: Rene Herman <rene.herman@keyaccess.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 5 insertions, 2 deletions

diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index 09384d03dc31..83d64bc07ff0 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -1436,8 +1436,11 @@ static int __init alsa_card_miro_init(void)
         if ((error = platform_driver_register(&snd_miro_driver)) < 0)
                 return error;
         device = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
-        if (! IS_ERR(device))
-                return 0;
+        if (! IS_ERR(device)) {
+                if (platform_get_drvdata(device))
+                        return 0;
+                platform_device_unregister(device);
+        }
 #ifdef MODULE
         printk(KERN_ERR "no miro soundcard found\n");
 #endif