RDMA/nes: Fix for crash when TX checksum offload is off

When TX checksum offload is disabled for an iWarp connection,
skb->ip_summed needs to be set to CHECKSUM_NONE.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 49a9383..cfaacaf 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -430,6 +430,8 @@ static void form_cm_frame(struct sk_buff *skb,
        buf += sizeof(*tcph);
 
        skb->ip_summed = CHECKSUM_PARTIAL;
+       if (!(cm_node->netdev->features & NETIF_F_IP_CSUM))
+               skb->ip_summed = CHECKSUM_NONE;
        skb->protocol = htons(0x800);
        skb->data_len = 0;
        skb->mac_len = ETH_HLEN;