Bluetooth: Use devm_kzalloc in bcm203x.c file.

devm_kzalloc() eliminates the need to free memory explicitly
thereby saving some cleanup code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

diff --git a/drivers/bluetooth/bcm203x.c b/drivers/bluetooth/bcm203x.c
index 37ae175..364f82b 100644 (file)
--- a/drivers/bluetooth/bcm203x.c
+++ b/drivers/bluetooth/bcm203x.c
@@ -177,7 +177,7 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
        if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
                return -ENODEV;
 
-       data = kzalloc(sizeof(*data), GFP_KERNEL);
+       data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
        if (!data) {
                BT_ERR("Can't allocate memory for data structure");
                return -ENOMEM;
@@ -189,14 +189,12 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
        data->urb = usb_alloc_urb(0, GFP_KERNEL);
        if (!data->urb) {
                BT_ERR("Can't allocate URB");
-               kfree(data);
                return -ENOMEM;
        }
 
        if (request_firmware(&firmware, "BCM2033-MD.hex", &udev->dev) < 0) {
                BT_ERR("Mini driver request failed");
                usb_free_urb(data->urb);
-               kfree(data);
                return -EIO;
        }
 
@@ -209,7 +207,6 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
                BT_ERR("Can't allocate memory for mini driver");
                release_firmware(firmware);
                usb_free_urb(data->urb);
-               kfree(data);
                return -ENOMEM;
        }
 
@@ -224,7 +221,6 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
                BT_ERR("Firmware request failed");
                usb_free_urb(data->urb);
                kfree(data->buffer);
-               kfree(data);
                return -EIO;
        }
 
@@ -236,7 +232,6 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
                release_firmware(firmware);
                usb_free_urb(data->urb);
                kfree(data->buffer);
-               kfree(data);
                return -ENOMEM;
        }
 
@@ -271,7 +266,6 @@ static void bcm203x_disconnect(struct usb_interface *intf)
        usb_free_urb(data->urb);
        kfree(data->fw_data);
        kfree(data->buffer);
-       kfree(data);
 }
 
 static struct usb_driver bcm203x_driver = {