gre: fix netns vs proto registration ordering

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GRE protocol receive hook can be called right after protocol addition is done.
If netns stuff is not yet initialized, we're going to oops in
net_generic().

This is remotely oopsable if ip_gre is compiled as module and packet
comes at unfortunate moment of module loading.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Alexey Dobriyan 2010-02-16 07:57:44 +00:00 • committed by David S. Miller

parent 749f621e20

commit c2892f0271

1 changed files with 10 additions and 9 deletions

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net/ipv4/ip_gre.c

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