[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/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c
index 073dac975679..397310f358b7 100644
--- a/sound/isa/cs423x/cs4231.c
+++ b/sound/isa/cs423x/cs4231.c
@@ -211,6 +211,10 @@ static int __init alsa_card_cs4231_init(void)
                                                          i, NULL, 0);
                 if (IS_ERR(device))
                         continue;
+                if (!platform_get_drvdata(device)) {
+                        platform_device_unregister(device);
+                        continue;
+                }
                 devices[i] = device;
                 cards++;
         }