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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 49a9383137db..cfaacaf6bf5f 100644
--- 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;