static int ct82c710_open(struct serio *serio)
{
unsigned char status;
+ int err;
- if (request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL))
- return -1;
+ err = request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL);
+ if (err)
+ return err;
status = inb_p(CT82C710_STATUS);
status &= ~(CT82C710_ENABLE | CT82C710_INTS_ON);
outb_p(status, CT82C710_STATUS);
free_irq(CT82C710_IRQ, NULL);
- return -1;
+ return -EBUSY;
}
return 0;
serio_register_port(ct82c710_port);
+ printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n",
+ (unsigned long long)CT82C710_DATA, CT82C710_IRQ);
+
return 0;
}
if (error)
goto err_free_device;
- serio_register_port(ct82c710_port);
-
- printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n",
- (unsigned long long)CT82C710_DATA, CT82C710_IRQ);
-
return 0;
err_free_device: