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V4L/DVB (4298): Check all __must_check warnings in bttv.

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Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Randy Dunlap 2006-07-15 09:08:26 -03:00 committed by Mauro Carvalho Chehab
parent 6ba475042f
commit c526e224e4
1 changed files with 13 additions and 2 deletions
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15
drivers/media/video/bt8xx/bttv-driver.c
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@ -3909,6 +3909,8 @@ static void bttv_unregister_video(struct bttv *btv)
/* register video4linux devices */
static int __devinit bttv_register_video(struct bttv *btv)
{
int ret;
if (no_overlay <= 0) {
bttv_video_template.type |= VID_TYPE_OVERLAY;
} else {
@ -3923,7 +3925,10 @@ static int __devinit bttv_register_video(struct bttv *btv)
goto err;
printk(KERN_INFO "bttv%d: registered device video%d\n",
btv->c.nr,btv->video_dev->minor & 0x1f);
video_device_create_file(btv->video_dev, &class_device_attr_card);
ret = video_device_create_file(btv->video_dev, &class_device_attr_card);
if (ret < 0)
printk(KERN_WARNING "bttv: video_device_create_file error: "
"%d\n", ret);
/* vbi */
btv->vbi_dev = vdev_init(btv, &bttv_vbi_template, "vbi");
@ -4287,6 +4292,8 @@ static struct pci_driver bttv_pci_driver = {
static int bttv_init_module(void)
{
int ret;
bttv_num = 0;
printk(KERN_INFO "bttv: driver version %d.%d.%d loaded\n",
@ -4308,7 +4315,11 @@ static int bttv_init_module(void)
bttv_check_chipset();
bus_register(&bttv_sub_bus_type);
ret = bus_register(&bttv_sub_bus_type);
if (ret < 0) {
printk(KERN_WARNING "bttv: bus_register error: %d\n", ret);
return ret;
}
return pci_register_driver(&bttv_pci_driver);
}