mISDN: Added an ioctl to change the device name
To get persistent device names with hotplug we need to rename devices
sometime.
Signed-off-by: Matthias Urlichs <matthias@urlichs.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 37a2de1..98fa6c4 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -645,6 +645,21 @@
} else
err = -ENODEV;
break;
+ case IMSETDEVNAME:
+ {
+ struct mISDN_devrename dn;
+ if (copy_from_user(&dn, (void __user *)arg,
+ sizeof(dn))) {
+ err = -EFAULT;
+ break;
+ }
+ dev = get_mdevice(dn.id);
+ if (dev)
+ strlcpy(dev->name, dn.name, MISDN_MAX_IDLEN);
+ else
+ err = -ENODEV;
+ }
+ break;
default:
err = -EINVAL;
}