From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhouyi Zhou Subject: [PATCH 1/1] infiniband: nes: return value of skb_linearize should be handled Date: Wed, 7 Dec 2016 15:30:05 +0800 Message-ID: <1481095805-25010-1-git-send-email-zhouzhouyi@gmail.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: faisal.latif@intel.com, dledford@redhat.com, sean.hefty@intel.com, hal.rosenstock@gmail.com, eric.dumazet@gmail.com, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Zhouyi Zhou , Zhouyi Zhou List-Id: linux-rdma@vger.kernel.org Return value of skb_linearize should be handled in function nes_netdev_start_xmit. Compiled in x86_64 Signed-off-by: Zhouyi Zhou Reviewed-by: Yuval Shaia Reviewed-by: Eric Dumazet --- drivers/infiniband/hw/nes/nes_nic.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 2b27d13..dfd1f57 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -662,10 +662,14 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) nesnic->sq_head &= nesnic->sq_size-1; } } else { - nesvnic->linearized_skbs++; hoffset = skb_transport_header(skb) - skb->data; nhoffset = skb_network_header(skb) - skb->data; - skb_linearize(skb); + if (skb_linearize(skb)) { + nesvnic->tx_sw_dropped++; + kfree_skb(skb); + return NETDEV_TX_OK; + } + nesvnic->linearized_skbs++; skb_set_transport_header(skb, hoffset); skb_set_network_header(skb, nhoffset); if (!nes_nic_send(skb, netdev)) -- 1.9.1