From: Randy Dunlap <[email protected]>
Check all __must_check warnings in bttv.
Signed-off-by: Randy Dunlap <[email protected]>
---
drivers/media/video/bt8xx/bttv-driver.c | 16 ++++++++++++++--
1 files changed, 14 insertions(+), 2 deletions(-)
--- linux-2618-rc1mm1.orig/drivers/media/video/bt8xx/bttv-driver.c
+++ linux-2618-rc1mm1/drivers/media/video/bt8xx/bttv-driver.c
@@ -3909,6 +3909,8 @@ static void bttv_unregister_video(struct
/* 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
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 +4315,12 @@ 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);
}
---
-
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