net: replace continue with break to reduce unnecessary loop in xxx_xmarksources

The conditional which decides to skip inactive filters does not
change with the change of loop index, so it is unnecessary to
check them many times.

Signed-off-by: RongQing.Li <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 450e5d2..e9b90a8 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -775,7 +775,7 @@
 			if (psf->sf_count[MCAST_INCLUDE] ||
 			    pmc->sfcount[MCAST_EXCLUDE] !=
 			    psf->sf_count[MCAST_EXCLUDE])
-				continue;
+				break;
 			if (srcs[i] == psf->sf_inaddr) {
 				scount++;
 				break;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 16c33e3..6264d8f 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1061,7 +1061,7 @@
 			if (psf->sf_count[MCAST_INCLUDE] ||
 			    pmc->mca_sfcount[MCAST_EXCLUDE] !=
 			    psf->sf_count[MCAST_EXCLUDE])
-				continue;
+				break;
 			if (ipv6_addr_equal(&srcs[i], &psf->sf_addr)) {
 				scount++;
 				break;