From 3ca1993264503957f81f3846598b16601b1e9457 Mon Sep 17 00:00:00 2001 From: Nathan Fontenot Date: Fri, 21 Apr 2017 15:39:10 -0400 Subject: [PATCH] ibmvnic: Validate napi exist before disabling them Validate that the napi structs exist before trying to disable them at driver close. Signed-off-by: Nathan Fontenot Signed-off-by: David S. Miller --- drivers/net/ethernet/ibm/ibmvnic.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 115f21694994..5a916a2f91be 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -729,8 +729,10 @@ static int ibmvnic_close(struct net_device *netdev) adapter->closing = true; disable_sub_crqs(adapter); - for (i = 0; i < adapter->req_rx_queues; i++) - napi_disable(&adapter->napi[i]); + if (adapter->napi) { + for (i = 0; i < adapter->req_rx_queues; i++) + napi_disable(&adapter->napi[i]); + } if (!adapter->failover) netif_tx_stop_all_queues(netdev); -- 2.20.1