In some versions of GRE, you can have ACK-only packets; if a packet
authorguy <guy@f5534014-38df-0310-8fa8-9805f1628bb7>
Tue, 23 Oct 2001 19:02:59 +0000 (19:02 +0000)
committerguy <guy@f5534014-38df-0310-8fa8-9805f1628bb7>
Tue, 23 Oct 2001 19:02:59 +0000 (19:02 +0000)
commit49ce9df5149e07e8f425560c285118abf8c59b8f
tree6c04cf87a69afb3c2a5d5b5a846bd86e00e8ecd3
parenta49ec62d25a18a78893150a19bc0cc1e551d3ad6
In some versions of GRE, you can have ACK-only packets; if a packet
doesn't have the S bit set, check whether it has any payload before
attempting to hand off the payload to the next dissector.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@4069 f5534014-38df-0310-8fa8-9805f1628bb7
packet-gre.c