devm_kzalloc() eliminates the need to free memory explicitly
thereby saving some cleanup code.
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
---
drivers/bluetooth/bfusb.c | 12 ++++--------
1 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 32e8251..995aee9 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 = {
--
1.7.4.1
--
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