flow_dissector: Fix GRE header error path
authorJiri Pirko <jiri@mellanox.com>
Mon, 6 Mar 2017 15:39:53 +0000 (16:39 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 9 Mar 2017 07:08:57 +0000 (23:08 -0800)
commitd5774b93f04252b81bd2c2cc84ec663c6aa798d1
treec4c2895201f91f0cb5cfb5d78cc96501bd468007
parent4a5d6c8b14b81e3704607a354434321e390d228a
flow_dissector: Fix GRE header error path

Now, when an unexpected element in the GRE header appears, we break so
the l4 ports are processed. But since the ports are processed
unconditionally, there will be certainly random values dissected. Fix
this by just bailing out in such situations.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/flow_dissector.c