From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudip Mukherjee Subject: [PATCH] igmp: fix build warning Date: Tue, 16 Feb 2016 13:52:30 +0530 Message-ID: <1455610950-27802-1-git-send-email-sudipm.mukherjee@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Sudip Mukherjee To: "David S. Miller" , Alexey Kuznetsov , James Morris , Hideaki YOSHIFUJI , Patrick McHardy Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org We were getting build warnings about: net/ipv4/igmp.c: In function =E2=80=98igmp_group_added=E2=80=99: net/ipv4/igmp.c:1227:14: warning: unused variable =E2=80=98net=E2=80=99= [-Wunused-variable] =09 net/ipv4/igmp.c: In function =E2=80=98ip_mc_inc_group=E2=80=99: net/ipv4/igmp.c:1319:14: warning: unused variable =E2=80=98net=E2=80=99= [-Wunused-variable] net/ipv4/igmp.c: In function =E2=80=98ip_mc_init_dev=E2=80=99: net/ipv4/igmp.c:1646:14: warning: unused variable =E2=80=98net=E2=80=99= [-Wunused-variable] net/ipv4/igmp.c: In function =E2=80=98ip_mc_up=E2=80=99: net/ipv4/igmp.c:1665:14: warning: unused variable =E2=80=98net=E2=80=99= [-Wunused-variable] These variables are only used when CONFIG_IP_MULTICAST is defined. Mark them as '__maybe_unused'. Signed-off-by: Sudip Mukherjee --- net/ipv4/igmp.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 7c95335..0ba241b 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1224,7 +1224,7 @@ static void igmp_group_dropped(struct ip_mc_list = *im) static void igmp_group_added(struct ip_mc_list *im) { struct in_device *in_dev =3D im->interface; - struct net *net =3D dev_net(in_dev->dev); + struct net __maybe_unused *net =3D dev_net(in_dev->dev); =20 if (im->loaded =3D=3D 0) { im->loaded =3D 1; @@ -1316,7 +1316,7 @@ static void ip_mc_hash_remove(struct in_device *i= n_dev, void ip_mc_inc_group(struct in_device *in_dev, __be32 addr) { struct ip_mc_list *im; - struct net *net =3D dev_net(in_dev->dev); + struct net __maybe_unused *net =3D dev_net(in_dev->dev); =20 ASSERT_RTNL(); =20 @@ -1643,7 +1643,7 @@ void ip_mc_down(struct in_device *in_dev) =20 void ip_mc_init_dev(struct in_device *in_dev) { - struct net *net =3D dev_net(in_dev->dev); + struct net __maybe_unused *net =3D dev_net(in_dev->dev); ASSERT_RTNL(); =20 #ifdef CONFIG_IP_MULTICAST @@ -1662,7 +1662,7 @@ void ip_mc_init_dev(struct in_device *in_dev) void ip_mc_up(struct in_device *in_dev) { struct ip_mc_list *pmc; - struct net *net =3D dev_net(in_dev->dev); + struct net __maybe_unused *net =3D dev_net(in_dev->dev); =20 ASSERT_RTNL(); =20 --=20 1.9.1