net: add fib_rules_ops to flush_cache method

This is required to pass namespace context into rt_cache_flush called from
->flush_cache.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index e3e9ab0..1c2943a 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -69,7 +69,7 @@
 static void flush_route_cache(struct fib_rules_ops *ops)
 {
 	if (ops->flush_cache)
-		ops->flush_cache();
+		ops->flush_cache(ops);
 }
 
 int fib_rules_register(struct fib_rules_ops *ops)
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index 5b7539b..14fbca5 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -229,7 +229,7 @@
 	return 0;
 }
 
-static void dn_fib_rule_flush_cache(void)
+static void dn_fib_rule_flush_cache(struct fib_rules_ops *ops)
 {
 	dn_rt_cache_flush(-1);
 }
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index bc05de4..6080d71 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -258,9 +258,9 @@
 	       + nla_total_size(4); /* flow */
 }
 
-static void fib4_rule_flush_cache(void)
+static void fib4_rule_flush_cache(struct fib_rules_ops *ops)
 {
-	rt_cache_flush(&init_net, -1);
+	rt_cache_flush(ops->fro_net, -1);
 }
 
 static struct fib_rules_ops fib4_rules_ops_template = {