Commit 8b6015f7 authored by Matthias Urlichs's avatar Matthias Urlichs Committed by Karsten Keil
Browse files

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: default avatarMatthias Urlichs <matthias@urlichs.de>
Signed-off-by: default avatarKarsten Keil <kkeil@suse.de>
parent 9776ef08

drivers/isdn/mISDN/socket.c

+15 −0
Original line number Diff line number Diff line
@@ -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;

	}

include/linux/mISDNif.h

+19 −12
Original line number Diff line number Diff line
@@ -36,8 +36,8 @@ 
 *              - should be incremented on every checkin

 */

#define	MISDN_MAJOR_VERSION	1

#define	MISDN_MINOR_VERSION	0

#define MISDN_RELEASE		19

#define	MISDN_MINOR_VERSION	1

#define MISDN_RELEASE		20



/* primitives for information exchange

 * generell format
@@ -255,16 +255,6 @@ struct sockaddr_mISDN { 
	unsigned char	tei;

};



/* timer device ioctl */

#define IMADDTIMER	_IOR('I', 64, int)

#define IMDELTIMER	_IOR('I', 65, int)

/* socket ioctls */

#define	IMGETVERSION	_IOR('I', 66, int)

#define	IMGETCOUNT	_IOR('I', 67, int)

#define IMGETDEVINFO	_IOR('I', 68, int)

#define IMCTRLREQ	_IOR('I', 69, int)

#define IMCLEAR_L2	_IOR('I', 70, int)



struct mISDNversion {

	unsigned char	major;

	unsigned char	minor;
@@ -281,6 +271,23 @@ struct mISDN_devinfo { 
	char			name[MISDN_MAX_IDLEN];

};



struct mISDN_devrename {

	u_int			id;

	char			name[MISDN_MAX_IDLEN]; /* new name */

};



/* timer device ioctl */

#define IMADDTIMER	_IOR('I', 64, int)

#define IMDELTIMER	_IOR('I', 65, int)



/* socket ioctls */

#define	IMGETVERSION	_IOR('I', 66, int)

#define	IMGETCOUNT	_IOR('I', 67, int)

#define IMGETDEVINFO	_IOR('I', 68, int)

#define IMCTRLREQ	_IOR('I', 69, int)

#define IMCLEAR_L2	_IOR('I', 70, int)

#define IMSETDEVNAME	_IOR('I', 71, struct mISDN_devrename)



static inline int

test_channelmap(u_int nr, u_char *map)

{