--- zzzz-none-000/linux-4.9.279/net/ipv6/mcast.c	2021-08-08 06:38:54.000000000 +0000
+++ puma7-atom-6591-750/linux-4.9.279/net/ipv6/mcast.c	2023-02-08 11:43:43.000000000 +0000
@@ -46,7 +46,6 @@
 #include <linux/slab.h>
 #include <linux/pkt_sched.h>
 #include <net/mld.h>
-
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv6.h>
 
@@ -228,7 +227,6 @@
 			dev = __dev_get_by_index(net, mc_lst->ifindex);
 			if (dev) {
 				struct inet6_dev *idev = __in6_dev_get(dev);
-
 				(void) ip6_mc_leave_src(sk, mc_lst, idev);
 				if (idev)
 					__ipv6_dev_mc_dec(idev, &mc_lst->addr);