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linux/include/net/dn_route.h
David S. Miller c753796769 ipv4: Make rt->fl.iif tests lest obscure. 
When we test rt->fl.iif against zero, we're seeing if it's
an output or an input route.

Make that explicit with some helper functions.

Signed-off-by: David S. Miller <davem@davemloft.net>
2010-11-11 17:07:48 -08:00

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