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authorRandy Dunlap <rdunlap@xenotime.net>2006-07-15 09:08:26 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-07-29 17:22:15 -0300
commitc526e224e4075eff788a992f59bc4a9006b12923 (patch)
tree8c6f5b8389c0b145317b9fbc9e9bcd6a62d7a0cb /drivers/media
parent6ba475042f0ca54bf055ce94b2a1e4656ed143f9 (diff)
V4L/DVB (4298): Check all __must_check warnings in bttv.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/bt8xx/bttv-driver.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index 5764a89d356..63e83162286 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -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);
}