Bluetooth: Use devm_kzalloc in btsdio.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/btsdio.c b/drivers/bluetooth/btsdio.c
index e10ea03..4a99097 100644 (file)
--- a/drivers/bluetooth/btsdio.c
+++ b/drivers/bluetooth/btsdio.c
@@ -304,7 +304,7 @@ static int btsdio_probe(struct sdio_func *func,
                tuple = tuple->next;
        }
 
-       data = kzalloc(sizeof(*data), GFP_KERNEL);
+       data = devm_kzalloc(&func->dev, sizeof(*data), GFP_KERNEL);
        if (!data)
                return -ENOMEM;
 
@@ -315,10 +315,8 @@ static int btsdio_probe(struct sdio_func *func,
        skb_queue_head_init(&data->txq);
 
        hdev = hci_alloc_dev();
-       if (!hdev) {
-               kfree(data);
+       if (!hdev)
                return -ENOMEM;
-       }
 
        hdev->bus = HCI_SDIO;
        hci_set_drvdata(hdev, data);
@@ -340,7 +338,6 @@ static int btsdio_probe(struct sdio_func *func,
        err = hci_register_dev(hdev);
        if (err < 0) {
                hci_free_dev(hdev);
-               kfree(data);
                return err;
        }
 
@@ -366,7 +363,6 @@ static void btsdio_remove(struct sdio_func *func)
        hci_unregister_dev(hdev);
 
        hci_free_dev(hdev);
-       kfree(data);
 }
 
 static struct sdio_driver btsdio_driver = {