[NET]: sparse warning fixes

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / igmp.c

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index ad500a43b3592aa76562e822f8a3b80d40176fc3..2b6e59c4c0d058acbc791111f11ba2d48d98476f 100644 (file)
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1695,8 +1695,8 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
                        (void) ip_mc_del1_src(pmc, sfmode, &psfsrc[i]);
        } else if (isexclude != (pmc->sfcount[MCAST_EXCLUDE] != 0)) {
 #ifdef CONFIG_IP_MULTICAST
-               struct in_device *in_dev = pmc->interface;
                struct ip_sf_list *psf;
+               in_dev = pmc->interface;
 #endif
 
                /* filter mode change */
@@ -1799,7 +1799,7 @@ static int ip_mc_leave_src(struct sock *sk, struct ip_mc_socklist *iml,
 {
        int err;
 
-       if (iml->sflist == 0) {
+       if (iml->sflist == NULL) {
                /* any-source empty exclude case */
                return ip_mc_del_src(in_dev, &iml->multi.imr_multiaddr.s_addr,
                        iml->sfmode, 0, NULL, 0);
@@ -2167,7 +2167,6 @@ int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
                return -EFAULT;
        }
        for (i=0; i<copycount; i++) {
-               struct sockaddr_in *psin;
                struct sockaddr_storage ss;
 
                psin = (struct sockaddr_in *)&ss;