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>

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 9add088..34017be 100644 (file)
--- 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);