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net: ethernet: aquantia: set net_device mtu when mtu is changed 

When the aquantia device mtu is changed the net_device structure is not
updated.  As a result the ip command does not properly reflect the mtu change.

Commit 5513e16421 incorrectly assumed that __dev_set_mtu() was making the
assignment ndev->mtu = new_mtu;  This is not true in the case where the driver
has a ndo_change_mtu routine.

Fixes: 5513e16421 ("net: ethernet: aquantia: Fixes for aq_ndev_change_mtu")

Cc: Pavel Belous <Pavel.Belous@aquantia.com>
Signed-off-by: David Arcari <darcari@redhat.com>
Tested-by: Pavel Belous <pavel.belous@aquantia.com>
Reviewed-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Arcari 2017-03-13 19:07:16 -04:00 committed by David S. Miller
parent 4cbe4dac82
commit bc9ab9231e
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/aquantia/atlantic/aq_main.c
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@ -98,6 +98,7 @@ static int aq_ndev_change_mtu(struct net_device *ndev, int new_mtu)
if (err < 0)
goto err_exit;
ndev->mtu = new_mtu;
if (netif_running(ndev)) {
aq_ndev_close(ndev);