ipv4: Don't store a rule pointer in fib_result.
We only use it to fetch the rule's tclassid, so just store the
tclassid there instead.
This also decreases the size of fib_result by a full 8 bytes on
64-bit. On 32-bits it's a wash.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index c06da93..a83d74e 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -47,13 +47,6 @@
#endif
};
-#ifdef CONFIG_IP_ROUTE_CLASSID
-u32 fib_rules_tclass(const struct fib_result *res)
-{
- return res->r ? ((struct fib4_rule *) res->r)->tclassid : 0;
-}
-#endif
-
int __fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res)
{
struct fib_lookup_arg arg = {
@@ -63,8 +56,12 @@
int err;
err = fib_rules_lookup(net->ipv4.rules_ops, flowi4_to_flowi(flp), 0, &arg);
- res->r = arg.rule;
-
+#ifdef CONFIG_IP_ROUTE_CLASSID
+ if (arg.rule)
+ res->tclassid = ((struct fib4_rule *)arg.rule)->tclassid;
+ else
+ res->tclassid = 0;
+#endif
return err;
}
EXPORT_SYMBOL_GPL(__fib_lookup);