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infiniband: nes: return value of skb_linearize should be handled 

Return value of skb_linearize should be handled in function
nes_netdev_start_xmit.

Compiled in x86_64
Signed-off-by: Zhouyi Zhou <yizhouzhou@ict.ac.cn>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Zhouyi Zhou 2016-12-07 15:30:05 +08:00 committed by Doug Ledford
parent 3b9d965009
commit 6a3a1056d6
1 changed files with 6 additions and 2 deletions
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8
drivers/infiniband/hw/nes/nes_nic.c
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@ -662,10 +662,14 @@ tso_sq_no_longer_full:
nesnic->sq_head &= nesnic->sq_size-1; nesnic->sq_head &= nesnic->sq_size-1;
} }
} else { } else {
nesvnic->linearized_skbs++;
hoffset = skb_transport_header(skb) - skb->data; hoffset = skb_transport_header(skb) - skb->data;
nhoffset = skb_network_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_transport_header(skb, hoffset);
skb_set_network_header(skb, nhoffset); skb_set_network_header(skb, nhoffset);
if (!nes_nic_send(skb, netdev)) if (!nes_nic_send(skb, netdev))