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Subject[PATCH 08/10] ipconfig: use dev_set_mtu()
Date
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
net/ipv4/ipconfig.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 5f396afaa08d..f75802ad960f 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -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;
}
--
2.11.0
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