Commit bd516bd1 authored Sep 03, 2015 by Sudip Mukherjee Committed by David S. Miller Sep 05, 2015

net: wan: sbni: fix device usage count



dev_get_by_name() will increment the usage count if the matching device
is found. But we were not decrementing the count if we have got the
device and the device is non-active.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 25b4a44c

drivers/net/wan/sbni.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1358,6 +1358,8 @@ sbni_ioctl( struct net_device dev, struct ifreq ifr, int cmd )
		if( !slave_dev \|\| !(slave_dev->flags & IFF_UP) ) {
		netdev_err(dev, "trying to enslave non-active device %s\n",
		slave_name);
		if (slave_dev)
		dev_put(slave_dev);
		return -EPERM;
		}