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| author | Andy Walls <awalls@md.metrocast.net> | 2010-10-17 15:11:22 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-18 07:22:50 -0700 |
| commit | 27a954bd560f3e385bbed38fde3051fe718b8d75 (patch) | |
| tree | 83d46eb7d984fd1cd5eaa55c20267a88b4ab9a3a /net/ipv4 | |
| parent | a47d60561e111f5009ad0964069cfff77f76dbaa (diff) | |
| download | linux-27a954bd560f3e385bbed38fde3051fe718b8d75.tar.gz linux-27a954bd560f3e385bbed38fde3051fe718b8d75.tar.bz2 linux-27a954bd560f3e385bbed38fde3051fe718b8d75.zip | |
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>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/route.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 0755aa4af86c..ff98983d2a45 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2124,7 +2124,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, 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 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, 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 @@ static int __mkroute_output(struct rtable **result, 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 @@ static int ip_route_output_slow(struct net *net, struct rtable **rp, 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 @@ static int ip_route_output_slow(struct net *net, struct rtable **rp, 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); |