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872ac785e7
Inspired by yet another syzbot report.
IPv6 tunnels call netdev_lockdep_set_classes() for each tunnel type,
while IPv4 currently centralizes netdev_lockdep_set_classes() call from
ip_tunnel_init().
Make ip_tunnel_init() a macro, so that we have different lockdep
classes per tunnel type.
Fixes: 0bef512012 ("net: add netdev_lockdep_set_classes() to virtual drivers")
Reported-by: syzbot+1240b33467289f5ab50b@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/695d439f.050a0220.1c677c.0347.GAE@google.com/T/#u
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20260106172426.1760721-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>