ipv4: Use const'ify fib_result deep in the route call chains.
The only troublesome bit here is __mkroute_output which wants
to override res->fi and res->type, compute those in local
variables instead.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 9cefe72..3018efb 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -47,7 +47,7 @@
};
#ifdef CONFIG_IP_ROUTE_CLASSID
-u32 fib_rules_tclass(struct fib_result *res)
+u32 fib_rules_tclass(const struct fib_result *res)
{
return res->r ? ((struct fib4_rule *) res->r)->tclassid : 0;
}