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Message-ID: <20130531184438.21966f63@nehalam.linuxnetplumber.net>
Date: Fri, 31 May 2013 18:44:38 -0700
From: Stephen Hemminger <stephen@...workplumber.org>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org
Subject: [PATCH net-next] igmp: remove useless (void) cast
Back in the old Unix lint days, it was common to put (void) in front
of functions when return value was being ignored. Now this is considered
unnecessary, catch up with the fashion.
Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
--- a/net/ipv4/igmp.c 2013-05-31 08:35:07.838917459 -0700
+++ b/net/ipv4/igmp.c 2013-05-31 08:37:21.345081065 -0700
@@ -633,7 +633,7 @@ static void igmpv3_send_cr(struct in_dev
if (!skb)
return;
- (void) igmpv3_sendpack(skb);
+ igmpv3_sendpack(skb);
}
static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
@@ -1733,7 +1733,7 @@ static int ip_mc_add_src(struct in_devic
if (!delta)
pmc->sfcount[sfmode]--;
for (j=0; j<i; j++)
- (void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);
+ ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);
} else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
#ifdef CONFIG_IP_MULTICAST
struct ip_sf_list *psf;
@@ -1887,7 +1887,7 @@ int ip_mc_leave_group(struct sock *sk, s
iml->multi.imr_address.s_addr)
continue;
- (void) ip_mc_leave_src(sk, iml, in_dev);
+ ip_mc_leave_src(sk, iml, in_dev);
*imlp = iml->next_rcu;
@@ -2106,18 +2106,18 @@ int ip_mc_msfilter(struct sock *sk, stru
}
} else {
newpsl = NULL;
- (void) ip_mc_add_src(in_dev, &msf->imsf_multiaddr,
+ ip_mc_add_src(in_dev, &msf->imsf_multiaddr,
msf->imsf_fmode, 0, NULL, 0);
}
psl = rtnl_dereference(pmc->sflist);
if (psl) {
- (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
+ ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
psl->sl_count, psl->sl_addr, 0);
/* decrease mem now to avoid the memleak warning */
atomic_sub(IP_SFLSIZE(psl->sl_max), &sk->sk_omem_alloc);
kfree_rcu(psl, rcu);
} else
- (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
+ ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
0, NULL, 0);
rcu_assign_pointer(pmc->sflist, newpsl);
pmc->sfmode = msf->imsf_fmode;
@@ -2307,7 +2307,7 @@ void ip_mc_drop_socket(struct sock *sk)
inet->mc_list = iml->next_rcu;
in_dev = inetdev_by_index(net, iml->multi.imr_ifindex);
- (void) ip_mc_leave_src(sk, iml, in_dev);
+ ip_mc_leave_src(sk, iml, in_dev);
if (in_dev != NULL)
ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);
/* decrease mem now to avoid the memleak warning */
--
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