net: ip6_gre: Split up ip6gre_changelink()

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Extract from ip6gre_changelink() a reusable function
ip6gre_changelink_common(). This will allow introduction of
ERSPAN-specific _changelink() function with not a lot of code
duplication.

Fixes: 5a963eb61b ("ip6_gre: Add ERSPAN native tunnel support")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Petr Machata 2018-05-17 16:36:45 +02:00 • committed by David S. Miller

parent 7fa38a7c85

commit c8632fc30b

1 changed files with 24 additions and 9 deletions

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net/ipv6/ip6_gre.c

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