Paolo Abeni ccfec9e5cb ip_tunnel: be careful when accessing the inner header ...

Cong noted that we need the same checks introduced by commit 76c0ddd8c3
("ip6_tunnel: be careful when accessing the inner header")
even for ipv4 tunnels.

Fixes: c544193214 ("GRE: Refactor GRE tunneling code.")
Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2018-09-24 12:27:04 -07:00

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