Xen-netback: Fix issue caused by using gso_type wrongly
Current netback uses gso_type to check whether the skb contains gso offload, and this is wrong. Gso_size is the right one to check gso existence, and gso_type is only used to check gso type. Some skbs contains nonzero gso_type and zero gso_size, current netback would treat these skbs as gso and create wrong response for this. This also causes ssh failure to domu from other server. V2: use skb_is_gso function as Paul Durrant suggested Signed-off-by: NAnnie Li <annie.li@oracle.com> Acked-by: NWei Liu <wei.liu2@citrix.com> Reviewed-by: NPaul Durrant <paul.durrant@citrix.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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