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-rw-r--r--sound/drivers/dummy.c4
-rw-r--r--sound/drivers/mpu401/mpu401.c4
-rw-r--r--sound/drivers/mtpav.c14
-rw-r--r--sound/drivers/serial-u16550.c4
-rw-r--r--sound/drivers/virmidi.c4
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++;
}