[Bluetooth] Remaining transitions to use kzalloc()

This patch makes the remaining transitions to use kzalloc().

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 2ff2d5b..bd8d671 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -169,10 +169,9 @@
 
 	BT_DBG("id %d channel %d", req->dev_id, req->channel);
 	
-	dev = kmalloc(sizeof(struct rfcomm_dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(struct rfcomm_dev), GFP_KERNEL);
 	if (!dev)
 		return -ENOMEM;
-	memset(dev, 0, sizeof(struct rfcomm_dev));
 
 	write_lock_bh(&rfcomm_dev_lock);