ibmvnic: Do not notify peers on parameter change resets

When attempting to change the driver parameters, such as the MTU
value or number of queues, do not call netdev_notify_peers().
Doing so will deadlock on the rtnl_lock.

Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index d35f29d7af9150b43a6a1a4e995249ecb1f048e6..f4a56a3c07ad5d75e90261fc9c49158897897935 100644 (file)
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1843,7 +1843,8 @@ static int do_reset(struct ibmvnic_adapter *adapter,
        for (i = 0; i < adapter->req_rx_queues; i++)
                napi_schedule(&adapter->napi[i]);
 
-       if (adapter->reset_reason != VNIC_RESET_FAILOVER)
+       if (adapter->reset_reason != VNIC_RESET_FAILOVER &&
+           adapter->reset_reason != VNIC_RESET_CHANGE_PARAM)
                netdev_notify_peers(netdev);
 
        netif_carrier_on(netdev);