--- zzzz-none-000/linux-2.6.39.4/net/ipv6/sysctl_net_ipv6.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/net/ipv6/sysctl_net_ipv6.c	2021-11-10 13:38:18.000000000 +0000
@@ -140,7 +140,7 @@
 	int err = -ENOMEM;
 
 	ip6_header = register_net_sysctl_rotable(net_ipv6_ctl_path, ipv6_rotable);
-	if (ip6_header == NULL)
+	if (!ip6_header)
 		goto out;
 
 	err = register_pernet_subsys(&ipv6_sysctl_net_ops);
@@ -165,7 +165,7 @@
 int ipv6_static_sysctl_register(void)
 {
 	ip6_base = register_sysctl_paths(net_ipv6_ctl_path, ipv6_static_skeleton);
-	if (ip6_base == NULL)
+	if (!ip6_base)
 		return -ENOMEM;
 	return 0;
 }