[DECNET]: kmalloc + memset conversion to kzalloc

Signed-off-by: NMariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/decnet/dn_route.c

@@ -1737,8 +1737,9 @@ static int dn_rt_cache_seq_open(struct inode *inode, struct file *file)
 {
 	struct seq_file *seq;
 	int rc = -ENOMEM;
-	struct dn_rt_cache_iter_state *s = kmalloc(sizeof(*s), GFP_KERNEL);
+	struct dn_rt_cache_iter_state *s;
 
+	s = kzalloc(sizeof(*s), GFP_KERNEL);
 	if (!s)
 		goto out;
 	rc = seq_open(file, &dn_rt_cache_seq_ops);
@@ -1746,7 +1747,6 @@ static int dn_rt_cache_seq_open(struct inode *inode, struct file *file)
 		goto out_kfree;
 	seq		= file->private_data;
 	seq->private	= s;
-	memset(s, 0, sizeof(*s));
 out:
 	return rc;
 out_kfree: