[IPV6]: Nearly complete kzalloc cleanup for net/ipv6

Stupidly use kzalloc() instead of kmalloc()/memset()
everywhere where this is possible in net/ipv6/*.c .

Signed-off-by: Ingo Oeser <ioe-lkml@rameria.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 840a33d..39ec528 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -308,7 +308,7 @@
 	 *	not found: create a new one.
 	 */
 
-	aca = kmalloc(sizeof(struct ifacaddr6), GFP_ATOMIC);
+	aca = kzalloc(sizeof(struct ifacaddr6), GFP_ATOMIC);
 
 	if (aca == NULL) {
 		err = -ENOMEM;
@@ -322,8 +322,6 @@
 		goto out;
 	}
 
-	memset(aca, 0, sizeof(struct ifacaddr6));
-
 	ipv6_addr_copy(&aca->aca_addr, addr);
 	aca->aca_idev = idev;
 	aca->aca_rt = rt;
@@ -550,7 +548,7 @@
 {
 	struct seq_file *seq;
 	int rc = -ENOMEM;
-	struct ac6_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+	struct ac6_iter_state *s = kzalloc(sizeof(*s), GFP_KERNEL);
 
 	if (!s)
 		goto out;
@@ -561,7 +559,6 @@
 
 	seq = file->private_data;
 	seq->private = s;
-	memset(s, 0, sizeof(*s));
 out:
 	return rc;
 out_kfree: