[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>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c
index 77b06009735d..d3cbbb047582 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++;
         }