[PATCH] bluetooth: kmalloc + memset -> kzalloc conversion

Signed-off-by: NDeepak Saxena <dsaxena@plexity.net>
Cc: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

drivers/bluetooth/bcm203x.c

@@ -179,14 +179,12 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
 	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;
 

drivers/bluetooth/bfusb.c

@@ -673,13 +673,11 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	}
 
 	/* 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;

drivers/bluetooth/bluecard_cs.c

@@ -870,10 +870,9 @@ static dev_link_t *bluecard_attach(void)
 	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;

drivers/bluetooth/bpa10x.c

@@ -553,14 +553,12 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
 	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);

drivers/bluetooth/bt3c_cs.c

@@ -671,10 +671,9 @@ static dev_link_t *bt3c_attach(void)
 	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;

drivers/bluetooth/btuart_cs.c

@@ -590,10 +590,9 @@ static dev_link_t *btuart_attach(void)
 	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;

drivers/bluetooth/dtl1_cs.c

@@ -569,10 +569,9 @@ static dev_link_t *dtl1_attach(void)
 	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;

drivers/bluetooth/hci_bcsp.c

@@ -715,10 +715,9 @@ static int bcsp_open(struct hci_uart *hu)
 
 	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);

drivers/bluetooth/hci_h4.c

@@ -76,12 +76,10 @@ static int h4_open(struct hci_uart *hu)
 
 	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;

drivers/bluetooth/hci_ldisc.c

@@ -272,13 +272,11 @@ static int hci_uart_tty_open(struct tty_struct *tty)
 	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;
 

drivers/bluetooth/hci_usb.c

@@ -875,13 +875,11 @@ static int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id
 		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;

drivers/bluetooth/hci_vhci.c

@@ -261,12 +261,10 @@ static int vhci_open(struct inode *inode, struct file *file)
 	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);