mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-22 00:40:03 +00:00
Code Issues Releases Wiki Activity

net: remove unnecessary carrier status check

Browse source 
Since netif_carrier_on() will do nothing if device's carrier is already
on, so it's unnecessary to do carrier status check.

It's the same for netif_carrier_off().

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhang Shengju 2017-04-26 17:49:38 +08:00 committed by David S. Miller
parent 8ecbc40ada
commit 0575c86b5d
1 changed files with 4 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
net/core/dev.c
View file

@ -7245,13 +7245,10 @@ void netif_stacked_transfer_operstate(const struct net_device *rootdev,
else
netif_dormant_off(dev);
if (netif_carrier_ok(rootdev)) {
if (!netif_carrier_ok(dev))
netif_carrier_on(dev);
} else {
if (netif_carrier_ok(dev))
netif_carrier_off(dev);
}
if (netif_carrier_ok(rootdev))
netif_carrier_on(dev);
else
netif_carrier_off(dev);
}
EXPORT_SYMBOL(netif_stacked_transfer_operstate);