Bluetooth: Use devm_kzalloc in bfusb.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>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 32e825144fe9..995aee9cba22 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -653,7 +653,7 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
         }
 
         /* Initialize control structure and load firmware */
-        data = kzalloc(sizeof(struct bfusb_data), GFP_KERNEL);
+        data = devm_kzalloc(&intf->dev, sizeof(struct bfusb_data), GFP_KERNEL);
         if (!data) {
                 BT_ERR("Can't allocate memory for control structure");
                 goto done;
@@ -674,7 +674,7 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 
         if (request_firmware(&firmware, "bfubase.frm", &udev->dev) < 0) {
                 BT_ERR("Firmware request failed");
-                goto error;
+                goto done;
         }
 
         BT_DBG("firmware data %p size %zu", firmware->data, firmware->size);
@@ -690,7 +690,7 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
         hdev = hci_alloc_dev();
         if (!hdev) {
                 BT_ERR("Can't allocate HCI device");
-                goto error;
+                goto done;
         }
 
         data->hdev = hdev;
@@ -708,7 +708,7 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
         if (hci_register_dev(hdev) < 0) {
                 BT_ERR("Can't register HCI device");
                 hci_free_dev(hdev);
-                goto error;
+                goto done;
         }
 
         usb_set_intfdata(intf, data);
@@ -718,9 +718,6 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 release:
         release_firmware(firmware);
 
-error:
-        kfree(data);
-
 done:
         return -EIO;
 }
@@ -741,7 +738,6 @@ static void bfusb_disconnect(struct usb_interface *intf)
 
         hci_unregister_dev(hdev);
         hci_free_dev(hdev);
-        kfree(data);
 }
 
 static struct usb_driver bfusb_driver = {