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[2/7] ibmvnic: Update MTU after device initialization

Message ID 1484919369-2201-3-git-send-email-tim.gardner@canonical.com
State New
Headers show

Commit Message

Tim Gardner Jan. 20, 2017, 1:36 p.m. UTC 
From: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>

BugLink: http://bugs.launchpad.net/bugs/1655379

It is possible for the MTU to be changed during the initialization
process with the VNIC Server.  Ensure that the net device is updated
to reflect the new MTU.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 87737f8810db445db171ca81ca4cc43bd5b067ce)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index bdbed86..bb048ca 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -3660,6 +3660,7 @@  static void handle_crq_init_rsp(struct work_struct *work)
 		goto task_failed;
 
 	netdev->real_num_tx_queues = adapter->req_tx_queues;
+	netdev->mtu = adapter->req_mtu;
 
 	if (adapter->failover) {
 		adapter->failover = false;
@@ -3797,6 +3798,7 @@  static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id)
 	}
 
 	netdev->real_num_tx_queues = adapter->req_tx_queues;
+	netdev->mtu = adapter->req_mtu;
 
 	rc = register_netdev(netdev);
 	if (rc) {