diff options
| author | Takashi Iwai <tiwai@alsa3.local> | 2008-12-28 16:55:08 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-01-12 15:21:55 +0100 |
| commit | 51721f70acaca5aa056b07c5cbe58e62662c068c (patch) | |
| tree | d713f2f2347b0f3779bffc78ae502312e235d8a4 /sound/usb/caiaq/caiaq-device.c | |
| parent | 3e7fb9f7ec00fd7cefd0d8e83df0cff86ce12515 (diff) | |
ALSA: Return proper error code at probe in sound/usb/*
Some drivers in soudn/usb/* don't handle the error code properly
from snd_card_create(). This patch fixes these places.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/caiaq/caiaq-device.c')
| -rw-r--r-- | sound/usb/caiaq/caiaq-device.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sound/usb/caiaq/caiaq-device.c b/sound/usb/caiaq/caiaq-device.c index 63a2c1d5779b..55a9075cb097 100644 --- a/sound/usb/caiaq/caiaq-device.c +++ b/sound/usb/caiaq/caiaq-device.c @@ -336,7 +336,7 @@ static void __devinit setup_card(struct snd_usb_caiaqdev *dev) log("Unable to set up control system (ret=%d)\n", ret); } -static struct snd_card* create_card(struct usb_device* usb_dev) +static int create_card(struct usb_device* usb_dev, struct snd_card **cardp) { int devnum; int err; @@ -348,12 +348,12 @@ static struct snd_card* create_card(struct usb_device* usb_dev) break; if (devnum >= SNDRV_CARDS) - return NULL; + return -ENODEV; err = snd_card_create(index[devnum], id[devnum], THIS_MODULE, sizeof(struct snd_usb_caiaqdev), &card); if (err < 0) - return NULL; + return err; dev = caiaqdev(card); dev->chip.dev = usb_dev; @@ -363,7 +363,8 @@ static struct snd_card* create_card(struct usb_device* usb_dev) spin_lock_init(&dev->spinlock); snd_card_set_dev(card, &usb_dev->dev); - return card; + *cardp = card; + return 0; } static int __devinit init_card(struct snd_usb_caiaqdev *dev) @@ -442,10 +443,10 @@ static int __devinit snd_probe(struct usb_interface *intf, struct snd_card *card; struct usb_device *device = interface_to_usbdev(intf); - card = create_card(device); + ret = create_card(device, &card); - if (!card) - return -ENOMEM; + if (ret < 0) + return ret; usb_set_intfdata(intf, card); ret = init_card(caiaqdev(card)); |