diff options
| author | chas williams - CONTRACTOR <chas@cmf.nrl.navy.mil> | 2014-08-14 17:19:47 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-08-22 03:31:23 +0400 |
| commit | 6df378d2d1f87a249a88ac4a8c7a14861d9c9474 (patch) | |
| tree | c78ea1b78a906baba5c551912efbda9d8b9dc5ae | |
| parent | 02784f1b05b8f241c8180af88869e717e2758593 (diff) | |
| download | linux-6df378d2d1f87a249a88ac4a8c7a14861d9c9474.tar.xz | |
lec: Use rtnl lock/unlock when updating MTU
The LECS response contains the MTU that should be used. Correctly
synchronize with other layers when updating.
Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/atm/lec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/atm/lec.c b/net/atm/lec.c index e4853b50cf40..4b98f897044a 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -410,9 +410,11 @@ static int lec_atm_send(struct atm_vcc *vcc, struct sk_buff *skb) priv->lane2_ops = NULL; if (priv->lane_version > 1) priv->lane2_ops = &lane2_ops; + rtnl_lock(); if (dev_set_mtu(dev, mesg->content.config.mtu)) pr_info("%s: change_mtu to %d failed\n", dev->name, mesg->content.config.mtu); + rtnl_unlock(); priv->is_proxy = mesg->content.config.is_proxy; break; case l_flush_tran_id: |