[PATCH] netfilter: ipset: ip_set_bitmap_ip: use swap macro in bitmap_ip_create

[Gustavo A. R. Silva]

Make use of the swap macro and remove unnecessary variable tmp.
This makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
 net/netfilter/ipset/ip_set_bitmap_ip.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c 
b/net/netfilter/ipset/ip_set_bitmap_ip.c
index d8975a0..488d6d0 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -263,12 +263,8 @@ bitmap_ip_create(struct net *net, struct ip_set *set, 
struct nlattr *tb[],
                ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &last_ip);
                if (ret)
                        return ret;
-               if (first_ip > last_ip) {
-                       u32 tmp = first_ip;
-
-                       first_ip = last_ip;
-                       last_ip = tmp;
-               }
+               if (first_ip > last_ip)
+                       swap(first_ip, last_ip);
        } else if (tb[IPSET_ATTR_CIDR]) {
                u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 
-- 
2.7.4