/*
+ $Id: bttv-gpio.c,v 1.6 2004/11/03 09:04:50 kraxel Exp $
+
bttv-gpio.c -- gpio sub drivers
sysfs-based sub driver interface for bttv
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
+
*/
#include <linux/module.h>
int bttv_sub_add_device(struct bttv_core *core, char *name)
{
struct bttv_sub_device *sub;
+ int err;
sub = kmalloc(sizeof(*sub),GFP_KERNEL);
if (NULL == sub)
snprintf(sub->dev.bus_id,sizeof(sub->dev.bus_id),"%s%d",
name, core->nr);
+ err = device_register(&sub->dev);
+ if (0 != err) {
+ kfree(sub);
+ return err;
+ }
printk("bttv%d: add subdevice \"%s\"\n", core->nr, sub->dev.bus_id);
list_add_tail(&sub->list,&core->subs);
- device_register(&sub->dev);
return 0;
}
{
sub->drv.bus = &bttv_sub_bus_type;
snprintf(sub->wanted,sizeof(sub->wanted),"%s",wanted);
- driver_register(&sub->drv);
- return 0;
+ return driver_register(&sub->drv);
}
EXPORT_SYMBOL(bttv_sub_register);