vmxnet3: fix incorrect dereference when rxvlan is disabled
vmxnet3_get_hdr_len() is used to calculate the header length which in turn is used to calculate the gso_size for skb. When rxvlan offload is disabled, vlan tag is present in the header and the function references ip header from sizeof(ethhdr) and leads to incorrect pointer reference. This patch fixes this issue by taking sizeof(vlan_ethhdr) into account if vlan tag is present and correctly references the ip hdr. Signed-off-by: NRonak Doshi <doshir@vmware.com> Acked-by: NGuolin Yang <gyang@vmware.com> Acked-by: NLouis Luo <llouis@vmware.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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