IPv4: route.c: Change checks against 0xffffffff to ipv4_is_lbcast()
Change a few checks against the hardcoded broadcast address,
0xffffffff, to ipv4_is_lbcast(). Remove some existing checks
using ipv4_is_lbcast() that are now obviously superfluous.
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 0755aa4..ff98983d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2124,7 +2124,7 @@
ipv4_is_loopback(saddr))
goto martian_source;
- if (daddr == htonl(0xFFFFFFFF) || (saddr == 0 && daddr == 0))
+ if (ipv4_is_lbcast(daddr) || (saddr == 0 && daddr == 0))
goto brd_input;
/* Accept zero addresses only to limited broadcast;
@@ -2133,8 +2133,7 @@
if (ipv4_is_zeronet(saddr))
goto martian_source;
- if (ipv4_is_lbcast(daddr) || ipv4_is_zeronet(daddr) ||
- ipv4_is_loopback(daddr))
+ if (ipv4_is_zeronet(daddr) || ipv4_is_loopback(daddr))
goto martian_destination;
/*
@@ -2367,11 +2366,11 @@
if (ipv4_is_loopback(fl->fl4_src) && !(dev_out->flags & IFF_LOOPBACK))
return -EINVAL;
- if (fl->fl4_dst == htonl(0xFFFFFFFF))
+ if (ipv4_is_lbcast(fl->fl4_dst))
res->type = RTN_BROADCAST;
else if (ipv4_is_multicast(fl->fl4_dst))
res->type = RTN_MULTICAST;
- else if (ipv4_is_lbcast(fl->fl4_dst) || ipv4_is_zeronet(fl->fl4_dst))
+ else if (ipv4_is_zeronet(fl->fl4_dst))
return -EINVAL;
if (dev_out->flags & IFF_LOOPBACK)
@@ -2530,7 +2529,7 @@
if (oldflp->oif == 0 &&
(ipv4_is_multicast(oldflp->fl4_dst) ||
- oldflp->fl4_dst == htonl(0xFFFFFFFF))) {
+ ipv4_is_lbcast(oldflp->fl4_dst))) {
/* It is equivalent to inet_addr_type(saddr) == RTN_LOCAL */
dev_out = __ip_dev_find(net, oldflp->fl4_src, false);
if (dev_out == NULL)
@@ -2574,7 +2573,7 @@
goto out; /* Wrong error code */
if (ipv4_is_local_multicast(oldflp->fl4_dst) ||
- oldflp->fl4_dst == htonl(0xFFFFFFFF)) {
+ ipv4_is_lbcast(oldflp->fl4_dst)) {
if (!fl.fl4_src)
fl.fl4_src = inet_select_addr(dev_out, 0,
RT_SCOPE_LINK);