From: Wei Dai Date: Mon, 16 Apr 2018 08:14:25 +0000 (+0800) Subject: net/ixgbe: fix segfault in configuring VF VLAN strip X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9a7a9072e7cd1745750bb63a3d02f053b2a830c3;p=dpdk.git net/ixgbe: fix segfault in configuring VF VLAN strip This patch fixes a segment fault in ixgbevf_vlan_offload_set( ) when a Rx queue with index < max_rx_queues is not setup. For such queue, rxq = dev->data->rx_queues[i] is null pointer. Fixes: 860a94d3c692 ("net/ixgbe: support VLAN strip per queue offloading in VF") Signed-off-by: Wei Dai Tested-by: Xueqin Lin Acked-by: Qi Zhang --- diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index a5e2fc0ca3..33ee52e45d 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -5184,15 +5184,13 @@ ixgbevf_vlan_strip_queue_set(struct rte_eth_dev *dev, uint16_t queue, int on) static int ixgbevf_vlan_offload_set(struct rte_eth_dev *dev, int mask) { - struct ixgbe_hw *hw = - IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); struct ixgbe_rx_queue *rxq; uint16_t i; int on = 0; /* VF function only support hw strip feature, others are not support */ if (mask & ETH_VLAN_STRIP_MASK) { - for (i = 0; i < hw->mac.max_rx_queues; i++) { + for (i = 0; i < dev->data->nb_rx_queues; i++) { rxq = dev->data->rx_queues[i]; on = !!(rxq->offloads & DEV_RX_OFFLOAD_VLAN_STRIP); ixgbevf_vlan_strip_queue_set(dev, i, on);