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V4L/DVB (6848): bttv: check pci_register_driver() error

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Check pci_register_driver() error in module_init.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Akinobu Mita 2007-12-17 14:26:29 -03:00 committed by Mauro Carvalho Chehab
parent 71021d2601
commit 9e7e85ebae
1 changed files with 5 additions and 2 deletions
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7
drivers/media/video/bt8xx/bttv-driver.c
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@ -4404,14 +4404,17 @@ static int __init bttv_init_module(void)
printk(KERN_WARNING "bttv: bus_register error: %d\n", ret);
return ret;
}
return pci_register_driver(&bttv_pci_driver);
ret = pci_register_driver(&bttv_pci_driver);
if (ret < 0)
bus_unregister(&bttv_sub_bus_type);
return ret;
}
static void __exit bttv_cleanup_module(void)
{
pci_unregister_driver(&bttv_pci_driver);
bus_unregister(&bttv_sub_bus_type);
return;
}
module_init(bttv_init_module);