vti4: ipip tunnel deregistration fixes.
[ Upstream commit 5483844c3fc18474de29f5d6733003526e0a9f78 ] If tunnel registration failed during module initialization, the module would fail to deregister the IPPROTO_COMP protocol and would attempt to deregister the tunnel. The tunnel was not deregistered during module-exit. Fixes: dd9ee3444014e ("vti4: Fix a ipip packet processing bug in 'IPCOMP' virtual tunnel") Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 3 additions and 2 deletions
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@ -648,9 +648,9 @@ static int __init vti_init(void)
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return err;
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rtnl_link_failed:
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xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
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xfrm_tunnel_failed:
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xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
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xfrm_tunnel_failed:
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xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
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xfrm_proto_comp_failed:
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xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH);
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xfrm_proto_ah_failed:
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@ -666,6 +666,7 @@ pernet_dev_failed:
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static void __exit vti_fini(void)
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{
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rtnl_link_unregister(&vti_link_ops);
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xfrm4_tunnel_deregister(&ipip_handler, AF_INET);
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xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
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xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH);
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xfrm4_protocol_deregister(&vti_esp4_protocol, IPPROTO_ESP);
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