[NET]: Clean up /proc/net/{anycast6/igmp6}.

net/ipv6/anycast.c

@@ -505,7 +505,7 @@ static struct ifacaddr6 *ac6_get_idx(struct seq_file *seq, loff_t pos)
 static void *ac6_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	read_lock(&dev_base_lock);
-	return *pos ? ac6_get_idx(seq, *pos) : ac6_get_first(seq);
+	return ac6_get_idx(seq, *pos);
 }
 
 static void *ac6_seq_next(struct seq_file *seq, void *v, loff_t *pos)

net/ipv6/mcast.c

@@ -2119,7 +2119,7 @@ static struct ifmcaddr6 *igmp6_mc_get_idx(struct seq_file *seq, loff_t pos)
 static void *igmp6_mc_seq_start(struct seq_file *seq, loff_t *pos)
 {
 	read_lock(&dev_base_lock);
-	return *pos ? igmp6_mc_get_idx(seq, *pos) : igmp6_mc_get_first(seq);
+	return igmp6_mc_get_idx(seq, *pos);
 }
 
 static void *igmp6_mc_seq_next(struct seq_file *seq, void *v, loff_t *pos)