net: ipv4: refactor key and length checks

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fib_table_insert and fib_table_delete have the same checks on the prefix
and length. Refactor into a helper. Avoids duplicate extack messages in
the next patch.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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David Ahern 2017-05-27 16:19:25 -06:00 • committed by David S. Miller

parent f1bd4daead

commit ba277e8e05

1 changed files with 15 additions and 10 deletions

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net/ipv4/fib_trie.c

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