From 8b6015f736125050722dbe59c4f943e78cd626f0 Mon Sep 17 00:00:00 2001
From: Matthias Urlichs <smurf@smurf.noris.de>
Date: Tue, 12 Aug 2008 10:12:09 +0200
Subject: 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>
---
 drivers/isdn/mISDN/socket.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'drivers')

diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 37a2de18cfd..98fa6c4a4bd 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -645,6 +645,21 @@ base_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		} 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;
 	}
-- 
cgit v1.2.3