net: mvneta: fix mtu change on port without link

[ Upstream commit 8466baf788ec3e18836bd9c91ba0b1a07af25878 ]

It is incorrect to enable TX/RX queues (call by mvneta_port_up()) for
port without link. Indeed MTU change for interface without link causes TX
queues to stuck.

Fixes: c5aff18204 ("net: mvneta: driver for Marvell Armada 370/XP
network unit")
Signed-off-by: Yelena Krivosheev <yelena@marvell.com>
[gregory.clement: adding Fixes tags and rewording commit log]
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yelena Krivosheev 2018-07-18 18:10:51 +02:00 committed by Greg Kroah-Hartman
parent 931ed0a5d3
commit 3d7d5919a5

View file

@ -2569,7 +2569,6 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu)
}
mvneta_start_dev(pp);
mvneta_port_up(pp);
netdev_update_features(dev);