diff options
Diffstat (limited to 'sound/drivers')
| -rw-r--r-- | sound/drivers/dummy.c | 4 | ||||
| -rw-r--r-- | sound/drivers/mpu401/mpu401.c | 4 | ||||
| -rw-r--r-- | sound/drivers/mtpav.c | 14 | ||||
| -rw-r--r-- | sound/drivers/serial-u16550.c | 4 | ||||
| -rw-r--r-- | sound/drivers/virmidi.c | 4 |
5 files changed, 25 insertions, 5 deletions
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c index ae0df549fac7..ffeafaf2ecca 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 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++; } diff --git a/sound/drivers/mtpav.c b/sound/drivers/mtpav.c index b7a0b42813e1..474eed06e70f 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 c01b4c5118b9..2330fec505da 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 26eb2499d442..59171f8200df 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++; } |