ipv4: Make output route lookup return rtable directly.

Instead of on the stack.

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

1 files changed, 4 insertions, 3 deletions

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index e58f9476f29c..4e55e6c49ec9 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -491,9 +491,9 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
         SCTP_DEBUG_PRINTK("%s: DST:%pI4, SRC:%pI4 - ",
                           __func__, &fl.fl4_dst, &fl.fl4_src);
 
-        if (!ip_route_output_key(&init_net, &rt, &fl)) {
+        rt = ip_route_output_key(&init_net, &fl);
+        if (!IS_ERR(rt))
                 dst = &rt->dst;
-        }
 
         /* If there is no association or if a source address is passed, no
          * more validation is required.
@@ -535,7 +535,8 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
                     (AF_INET == laddr->a.sa.sa_family)) {
                         fl.fl4_src = laddr->a.v4.sin_addr.s_addr;
                         fl.fl_ip_sport = laddr->a.v4.sin_port;
-                        if (!ip_route_output_key(&init_net, &rt, &fl)) {
+                        rt = ip_route_output_key(&init_net, &fl);
+                        if (!IS_ERR(rt)) {
                                 dst = &rt->dst;
                                 goto out_unlock;
                         }