[PATCH 3.18 007/144] ip_tunnel: be careful when accessing the inner header

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Paolo Abeni [ Upstream commit ccfec9e5cb2d48df5a955b7bf47f7782157d3bc2] Cong noted that we need the same checks introduced by commit 76c0ddd8c3a6 ("ip6_tunnel: be careful when accessing the

[PATCH 3.18 007/144] ip_tunnel: be careful when accessing the inner header

3.18-stable review patch. If anyone has any objections, please let me know. -- From: Paolo Abeni [ Upstream commit ccfec9e5cb2d48df5a955b7bf47f7782157d3bc2] Cong noted that we need the same checks introduced by commit 76c0ddd8c3a6 ("ip6_tunnel: be careful when accessing the