[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, 4 insertions, 0 deletions

diff --git a/sound/isa/sb/sb16.c b/sound/isa/sb/sb16.c
index 24fa190f33ac..6333f900eaee 100644
--- a/sound/isa/sb/sb16.c
+++ b/sound/isa/sb/sb16.c
@@ -722,6 +722,10 @@ static int __init alsa_card_sb16_init(void)
                                                          i, NULL, 0);
                 if (IS_ERR(device))
                         continue;
+                if (!platform_get_drvdata(device)) {
+                        platform_device_unregister(device);
+                        continue;
+                }
                 platform_devices[i] = device;
                 cards++;
         }