ipv4: Make caller provide on-stack flow key to ip_route_output_ports().

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 8ae0a5702f56..7c2ef59e3f7d 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -309,6 +309,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
         struct iphdr *pip;
         struct igmpv3_report *pig;
         struct net *net = dev_net(dev);
+        struct flowi4 fl4;
 
         while (1) {
                 skb = alloc_skb(size + LL_ALLOCATED_SPACE(dev),
@@ -321,7 +322,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
         }
         igmp_skb_size(skb) = size;
 
-        rt = ip_route_output_ports(net, NULL, IGMPV3_ALL_MCR, 0,
+        rt = ip_route_output_ports(net, &fl4, NULL, IGMPV3_ALL_MCR, 0,
                                    0, 0,
                                    IPPROTO_IGMP, 0, dev->ifindex);
         if (IS_ERR(rt)) {
@@ -650,6 +651,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
         struct net_device *dev = in_dev->dev;
         struct net *net = dev_net(dev);
         __be32  group = pmc ? pmc->multiaddr : 0;
+        struct flowi4 fl4;
         __be32  dst;
 
         if (type == IGMPV3_HOST_MEMBERSHIP_REPORT)
@@ -659,7 +661,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
         else
                 dst = group;
 
-        rt = ip_route_output_ports(net, NULL, dst, 0,
+        rt = ip_route_output_ports(net, &fl4, NULL, dst, 0,
                                    0, 0,
                                    IPPROTO_IGMP, 0, dev->ifindex);
         if (IS_ERR(rt))