Bluetooth: Use devm_kzalloc in btwilink.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/btwilink.c b/drivers/bluetooth/btwilink.c
index 8869469..4ad7b35 100644 (file)
--- a/drivers/bluetooth/btwilink.c
+++ b/drivers/bluetooth/btwilink.c
@@ -297,16 +297,14 @@ static int bt_ti_probe(struct platform_device *pdev)
        struct hci_dev *hdev;
        int err;
 
-       hst = kzalloc(sizeof(struct ti_st), GFP_KERNEL);
+       hst = devm_kzalloc(&pdev->dev, sizeof(struct ti_st), GFP_KERNEL);
        if (!hst)
                return -ENOMEM;
 
        /* Expose "hciX" device to user space */
        hdev = hci_alloc_dev();
-       if (!hdev) {
-               kfree(hst);
+       if (!hdev)
                return -ENOMEM;
-       }
 
        BT_DBG("hdev %p", hdev);
 
@@ -321,7 +319,6 @@ static int bt_ti_probe(struct platform_device *pdev)
        err = hci_register_dev(hdev);
        if (err < 0) {
                BT_ERR("Can't register HCI device error %d", err);
-               kfree(hst);
                hci_free_dev(hdev);
                return err;
        }
@@ -347,7 +344,6 @@ static int bt_ti_remove(struct platform_device *pdev)
        hci_unregister_dev(hdev);
 
        hci_free_dev(hdev);
-       kfree(hst);
 
        dev_set_drvdata(&pdev->dev, NULL);
        return 0;