diff --git a/drivers/bluetooth/bcm203x.c b/drivers/bluetooth/bcm203x.c
index 5fd3e4c..8e7fb35 100644
--- a/drivers/bluetooth/bcm203x.c
+++ b/drivers/bluetooth/bcm203x.c
@@ -179,14 +179,12 @@
 	if (ignore || (intf->cur_altsetting->desc.bInterfaceNumber != 0))
 		return -ENODEV;
 
-	data = kmalloc(sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		BT_ERR("Can't allocate memory for data structure");
 		return -ENOMEM;
 	}
 
-	memset(data, 0, sizeof(*data));
-
 	data->udev  = udev;
 	data->state = BCM203X_LOAD_MINIDRV;
 
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 1e9db01..067e278 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -673,13 +673,11 @@
 	}
 
 	/* Initialize control structure and load firmware */
-	if (!(bfusb = kmalloc(sizeof(struct bfusb), GFP_KERNEL))) {
+	if (!(bfusb = kzalloc(sizeof(struct bfusb), GFP_KERNEL))) {
 		BT_ERR("Can't allocate memory for control structure");
 		goto done;
 	}
 
-	memset(bfusb, 0, sizeof(struct bfusb));
-
 	bfusb->udev = udev;
 	bfusb->bulk_in_ep    = bulk_in_ep->desc.bEndpointAddress;
 	bfusb->bulk_out_ep   = bulk_out_ep->desc.bEndpointAddress;
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index 26fe9c0..f36c563 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -870,10 +870,9 @@
 	int ret;
 
 	/* Create new info device */
-	info = kmalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return NULL;
-	memset(info, 0, sizeof(*info));
 
 	link = &info->link;
 	link->priv = info;
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 0db0400..ecbeb7e 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -553,14 +553,12 @@
 	if (intf->cur_altsetting->desc.bInterfaceNumber > 0)
 		return -ENODEV;
 
-	data = kmalloc(sizeof(*data), GFP_KERNEL);
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		BT_ERR("Can't allocate data structure");
 		return -ENOMEM;
 	}
 
-	memset(data, 0, sizeof(*data));
-
 	data->udev = udev;
 
 	rwlock_init(&data->lock);
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 2e0338d..d2a0add 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -671,10 +671,9 @@
 	int ret;
 
 	/* Create new info device */
-	info = kmalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return NULL;
-	memset(info, 0, sizeof(*info));
 
 	link = &info->link;
 	link->priv = info;
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index 89486ea..529a28a 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -590,10 +590,9 @@
 	int ret;
 
 	/* Create new info device */
-	info = kmalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return NULL;
-	memset(info, 0, sizeof(*info));
 
 	link = &info->link;
 	link->priv = info;
diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 84c1f88..dec5980 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -569,10 +569,9 @@
 	int ret;
 
 	/* Create new info device */
-	info = kmalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return NULL;
-	memset(info, 0, sizeof(*info));
 
 	link = &info->link;
 	link->priv = info;
diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index 0a47614..8fddfdf 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -715,10 +715,9 @@
 
 	BT_DBG("hu %p", hu);
 
-	bcsp = kmalloc(sizeof(*bcsp), GFP_ATOMIC);
+	bcsp = kzalloc(sizeof(*bcsp), GFP_ATOMIC);
 	if (!bcsp)
 		return -ENOMEM;
-	memset(bcsp, 0, sizeof(*bcsp));
 
 	hu->priv = bcsp;
 	skb_queue_head_init(&bcsp->unack);
diff --git a/drivers/bluetooth/hci_h4.c b/drivers/bluetooth/hci_h4.c
index 12e369a..4804d47 100644
--- a/drivers/bluetooth/hci_h4.c
+++ b/drivers/bluetooth/hci_h4.c
@@ -76,12 +76,10 @@
 
 	BT_DBG("hu %p", hu);
 
-	h4 = kmalloc(sizeof(*h4), GFP_ATOMIC);
+	h4 = kzalloc(sizeof(*h4), GFP_ATOMIC);
 	if (!h4)
 		return -ENOMEM;
 
-	memset(h4, 0, sizeof(*h4));
-
 	skb_queue_head_init(&h4->txq);
 
 	hu->priv = h4;
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 4a775f6..573ff6c 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -272,13 +272,11 @@
 	if (hu)
 		return -EEXIST;
 
-	if (!(hu = kmalloc(sizeof(struct hci_uart), GFP_KERNEL))) {
+	if (!(hu = kzalloc(sizeof(struct hci_uart), GFP_KERNEL))) {
 		BT_ERR("Can't allocate controll structure");
 		return -ENFILE;
 	}
 
-	memset(hu, 0, sizeof(struct hci_uart));
-
 	tty->disc_data = hu;
 	hu->tty = tty;
 
diff --git a/drivers/bluetooth/hci_usb.c b/drivers/bluetooth/hci_usb.c
index 6756cb2..f510b25 100644
--- a/drivers/bluetooth/hci_usb.c
+++ b/drivers/bluetooth/hci_usb.c
@@ -875,13 +875,11 @@
 		goto done;
 	}
 
-	if (!(husb = kmalloc(sizeof(struct hci_usb), GFP_KERNEL))) {
+	if (!(husb = kzalloc(sizeof(struct hci_usb), GFP_KERNEL))) {
 		BT_ERR("Can't allocate: control structure");
 		goto done;
 	}
 
-	memset(husb, 0, sizeof(struct hci_usb));
-
 	husb->udev = udev;
 	husb->bulk_out_ep = bulk_out_ep;
 	husb->bulk_in_ep  = bulk_in_ep;
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 52cbd45..8573822 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -261,12 +261,10 @@
 	struct vhci_data *vhci;
 	struct hci_dev *hdev;
 
-	vhci = kmalloc(sizeof(struct vhci_data), GFP_KERNEL);
+	vhci = kzalloc(sizeof(struct vhci_data), GFP_KERNEL);
 	if (!vhci)
 		return -ENOMEM;
 
-	memset(vhci, 0, sizeof(struct vhci_data));
-
 	skb_queue_head_init(&vhci->readq);
 	init_waitqueue_head(&vhci->read_wait);