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ipconfig: use dev_set_mtu() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2017-10-01 20:27:01 -04:00
parent b1b0c24506
commit 6a88fbe725
1 changed files with 3 additions and 14 deletions
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17
net/ipv4/ipconfig.c
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@ -329,17 +329,6 @@ set_sockaddr(struct sockaddr_in *sin, __be32 addr, __be16 port)
sin->sin_port = port;
}
static int __init ic_dev_ioctl(unsigned int cmd, struct ifreq *arg)
{
int res;
mm_segment_t oldfs = get_fs();
set_fs(get_ds());
res = dev_ioctl(&init_net, cmd, (struct ifreq __user *) arg);
set_fs(oldfs);
return res;
}
/*
* Set up interface addresses and routes.
*/
@ -375,11 +364,11 @@ static int __init ic_setup_if(void)
* out, we'll try to muddle along.
*/
if (ic_dev_mtu != 0) {
strcpy(ir.ifr_name, ic_dev->dev->name);
ir.ifr_mtu = ic_dev_mtu;
if ((err = ic_dev_ioctl(SIOCSIFMTU, &ir)) < 0)
rtnl_lock();
if ((err = dev_set_mtu(ic_dev->dev, ic_dev_mtu)) < 0)
pr_err("IP-Config: Unable to set interface mtu to %d (%d)\n",
ic_dev_mtu, err);
rtnl_unlock();
}
return 0;
}