ipv4: Remove all RTCF_DIRECTSRC handliing.

The last and final kernel user, ICMP address replies,
has been removed.

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

1 files changed, 2 insertions, 9 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 9add08869c75..34017be87c85 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1391,9 +1391,6 @@ static int __mkroute_input(struct sk_buff *skb,
                 goto cleanup;
         }
 
-        if (err)
-                flags |= RTCF_DIRECTSRC;
-
         if (out_dev == in_dev && err &&
             (IN_DEV_SHARED_MEDIA(out_dev) ||
              inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res))))
@@ -1416,7 +1413,7 @@ static int __mkroute_input(struct sk_buff *skb,
 
         do_cache = false;
         if (res->fi) {
-                if (!(flags & RTCF_DIRECTSRC) && !itag) {
+                if (!itag) {
                         rth = FIB_RES_NH(*res).nh_rth_input;
                         if (rt_cache_valid(rth)) {
                                 dst_hold(&rth->dst);
@@ -1558,8 +1555,6 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                                           dev, in_dev, &itag);
                 if (err < 0)
                         goto martian_source_keep_err;
-                if (err)
-                        flags |= RTCF_DIRECTSRC;
                 goto local_input;
         }
 
@@ -1580,8 +1575,6 @@ brd_input:
                                           in_dev, &itag);
                 if (err < 0)
                         goto martian_source_keep_err;
-                if (err)
-                        flags |= RTCF_DIRECTSRC;
         }
         flags |= RTCF_BROADCAST;
         res.type = RTN_BROADCAST;
@@ -1590,7 +1583,7 @@ brd_input:
 local_input:
         do_cache = false;
         if (res.fi) {
-                if (!(flags & RTCF_DIRECTSRC) && !itag) {
+                if (!itag) {
                         rth = FIB_RES_NH(res).nh_rth_input;
                         if (rt_cache_valid(rth)) {
                                 dst_hold(&rth->dst);