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(parent: 7b42ec1) | patch
rtl8139: skip offload on short TCP header
authorStefan Hajnoczi <stefanha@redhat.com>
Wed, 15 Jul 2015 17:17:03 +0000 (18:17 +0100)
committerAndrew Cooper <andrew.cooper3@citrix.com>
Tue, 10 May 2016 18:11:53 +0000 (19:11 +0100)
commitb8021777c8274658c44634423b5d794190419d82
tree9a8589810a318f0c231527848f83725b789cdf21tree
parent7b42ec15206ce1038fde15398d79e3dba516cd98commit | diff
rtl8139: skip offload on short TCP header

TCP Large Segment Offload accesses the TCP header in the packet.  If the
packet is too short we must not attempt to access header fields:

  tcp_header *p_tcp_hdr = (tcp_header*)(eth_payload_data + hlen);
  int tcp_hlen = TCP_HEADER_DATA_OFFSET(p_tcp_hdr);

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
[Backport to qemu-xen-tradition]
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
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