[IPV4]: Do not sent IGMP leave messages unless IFF_UP.

fabe5553 · David Stevens · David S. Miller · 70948683 · fabe5553
Commit fabe5553 authored Jul 10, 2003 by David Stevens Committed by David S. Miller Jul 10, 2003
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Showing with 12 additions and 10 deletions

net/ipv4/igmp.c net/ipv4/igmp.c +12 -10

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--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1060,17 +1060,19 @@ static void igmp_group_dropped(struct ip_mc_list *im)
 	reporter = im->reporter;
 	igmp_stop_timer(im);
-	if (IGMP_V1_SEEN(in_dev))
+	if (in_dev->dev->flags & IFF_UP) {
-		goto done;
+		if (IGMP_V1_SEEN(in_dev))
-	if (IGMP_V2_SEEN(in_dev)) {
+			goto done;
-		if (reporter)
+		if (IGMP_V2_SEEN(in_dev)) {
-			igmp_send_report(in_dev, im, IGMP_HOST_LEAVE_MESSAGE);
+			if (reporter)
-		goto done;
+				igmp_send_report(in_dev, im, IGMP_HOST_LEAVE_MESSAGE);
-	}
+			goto done;
-	/* IGMPv3 */
+		}
-	igmpv3_add_delrec(in_dev, im);
+		/* IGMPv3 */
+		igmpv3_add_delrec(in_dev, im);
-	igmp_ifc_event(in_dev);
+		igmp_ifc_event(in_dev);
+	}
 done:
 #endif
 	ip_mc_clear_src(im);