ipv4: Kill rt->rt_spec_dst, no longer used.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 81533e3..83d56a0 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -440,7 +440,7 @@
r->rt_key_tos,
-1,
HHUptod,
- r->rt_spec_dst, &len);
+ 0, &len);
seq_printf(seq, "%*s\n", 127 - len, "");
}
@@ -1978,7 +1978,6 @@
{
unsigned int hash;
struct rtable *rth;
- __be32 spec_dst;
struct in_device *in_dev = __in_dev_get_rcu(dev);
u32 itag = 0;
int err;
@@ -1999,10 +1998,8 @@
if (ipv4_is_zeronet(saddr)) {
if (!ipv4_is_local_multicast(daddr))
goto e_inval;
- spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
} else {
- err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &spec_dst,
- &itag);
+ err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &itag);
if (err < 0)
goto e_err;
}
@@ -2029,7 +2026,6 @@
rth->rt_oif = 0;
rth->rt_mark = skb->mark;
rth->rt_gateway = daddr;
- rth->rt_spec_dst= spec_dst;
rth->rt_peer_genid = 0;
rt_init_peer(rth, dev_net(dev)->ipv4.peers);
rth->fi = NULL;
@@ -2093,7 +2089,6 @@
int err;
struct in_device *out_dev;
unsigned int flags = 0;
- __be32 spec_dst;
u32 itag;
/* get a working reference to the output device */
@@ -2105,7 +2100,7 @@
err = fib_validate_source(skb, saddr, daddr, tos, FIB_RES_OIF(*res),
- in_dev->dev, &spec_dst, &itag);
+ in_dev->dev, &itag);
if (err < 0) {
ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr,
saddr);
@@ -2157,7 +2152,6 @@
rth->rt_oif = 0;
rth->rt_mark = skb->mark;
rth->rt_gateway = daddr;
- rth->rt_spec_dst= spec_dst;
rth->rt_peer_genid = 0;
rt_init_peer(rth, &res->table->tb_peers);
rth->fi = NULL;
@@ -2223,7 +2217,6 @@
u32 itag = 0;
struct rtable *rth;
unsigned int hash;
- __be32 spec_dst;
int err = -EINVAL;
struct net *net = dev_net(dev);
@@ -2281,12 +2274,11 @@
if (res.type == RTN_LOCAL) {
err = fib_validate_source(skb, saddr, daddr, tos,
net->loopback_dev->ifindex,
- dev, &spec_dst, &itag);
+ dev, &itag);
if (err < 0)
goto martian_source_keep_err;
if (err)
flags |= RTCF_DIRECTSRC;
- spec_dst = daddr;
goto local_input;
}
@@ -2302,11 +2294,8 @@
if (skb->protocol != htons(ETH_P_IP))
goto e_inval;
- if (ipv4_is_zeronet(saddr))
- spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK);
- else {
- err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &spec_dst,
- &itag);
+ if (!ipv4_is_zeronet(saddr)) {
+ err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &itag);
if (err < 0)
goto martian_source_keep_err;
if (err)
@@ -2344,7 +2333,6 @@
rth->rt_oif = 0;
rth->rt_mark = skb->mark;
rth->rt_gateway = daddr;
- rth->rt_spec_dst= spec_dst;
rth->rt_peer_genid = 0;
rt_init_peer(rth, net->ipv4.peers);
rth->fi = NULL;
@@ -2362,7 +2350,6 @@
no_route:
RT_CACHE_STAT_INC(in_no_route);
- spec_dst = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE);
res.type = RTN_UNREACHABLE;
if (err == -ESRCH)
err = -ENETUNREACH;
@@ -2545,7 +2532,6 @@
rth->rt_oif = orig_oif;
rth->rt_mark = fl4->flowi4_mark;
rth->rt_gateway = fl4->daddr;
- rth->rt_spec_dst= fl4->saddr;
rth->rt_peer_genid = 0;
rt_init_peer(rth, (res->table ?
&res->table->tb_peers :
@@ -2554,12 +2540,9 @@
RT_CACHE_STAT_INC(out_slow_tot);
- if (flags & RTCF_LOCAL) {
+ if (flags & RTCF_LOCAL)
rth->dst.input = ip_local_deliver;
- rth->rt_spec_dst = fl4->daddr;
- }
if (flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {
- rth->rt_spec_dst = fl4->saddr;
if (flags & RTCF_LOCAL &&
!(dev_out->flags & IFF_LOOPBACK)) {
rth->dst.output = ip_mc_output;
@@ -2890,7 +2873,6 @@
rt->rt_dst = ort->rt_dst;
rt->rt_src = ort->rt_src;
rt->rt_gateway = ort->rt_gateway;
- rt->rt_spec_dst = ort->rt_spec_dst;
rt_transfer_peer(rt, ort);
rt->fi = ort->fi;
if (rt->fi)
@@ -2965,10 +2947,8 @@
nla_put_u32(skb, RTA_FLOW, rt->dst.tclassid))
goto nla_put_failure;
#endif
- if (rt_is_input_route(rt)) {
- if (nla_put_be32(skb, RTA_PREFSRC, rt->rt_spec_dst))
- goto nla_put_failure;
- } else if (rt->rt_src != rt->rt_key_src) {
+ if (!rt_is_input_route(rt) &&
+ rt->rt_src != rt->rt_key_src) {
if (nla_put_be32(skb, RTA_PREFSRC, rt->rt_src))
goto nla_put_failure;
}