drivers/tty/n_hdlc.c: replace kmalloc/memset by kzalloc

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/n_hdlc.c

@@ -848,13 +848,11 @@ static struct n_hdlc *n_hdlc_alloc(void)
 {
 	struct n_hdlc_buf *buf;
 	int i;
-	struct n_hdlc *n_hdlc = kmalloc(sizeof(*n_hdlc), GFP_KERNEL);
+	struct n_hdlc *n_hdlc = kzalloc(sizeof(*n_hdlc), GFP_KERNEL);
 
 	if (!n_hdlc)
 		return NULL;
 
-	memset(n_hdlc, 0, sizeof(*n_hdlc));
-
 	n_hdlc_buf_list_init(&n_hdlc->rx_free_buf_list);
 	n_hdlc_buf_list_init(&n_hdlc->tx_free_buf_list);
 	n_hdlc_buf_list_init(&n_hdlc->rx_buf_list);