From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gustavo A. R. Silva" Subject: [PATCH] netfilter: ipset: ip_set_bitmap_port: use swap macro in bitmap_port_create Date: Sat, 28 Oct 2017 15:30:07 -0500 Message-ID: <20171028203007.GA4345@embeddedor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netfilter-devel@vger.kernel.org, coreteam@netfilter.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" To: Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , "David S. Miller" Return-path: Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org 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 --- net/netfilter/ipset/ip_set_bitmap_port.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c index 7f9bbd7..b561ca8 100644 --- a/net/netfilter/ipset/ip_set_bitmap_port.c +++ b/net/netfilter/ipset/ip_set_bitmap_port.c @@ -238,12 +238,8 @@ bitmap_port_create(struct net *net, struct ip_set *set, struct nlattr *tb[], first_port = ip_set_get_h16(tb[IPSET_ATTR_PORT]); last_port = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]); - if (first_port > last_port) { - u16 tmp = first_port; - - first_port = last_port; - last_port = tmp; - } + if (first_port > last_port) + swap(first_port, last_port); elements = last_port - first_port + 1; set->dsize = ip_set_elem_len(set, tb, 0, 0); -- 2.7.4