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authorSachin Kamat <sachin.kamat@linaro.org>2012-07-27 12:38:39 +0530
committerGustavo Padovan <gustavo.padovan@collabora.co.uk>2012-08-06 15:03:02 -0300
commit98921dbd00c4e2e4bdd56423cb5edf98d57b45f7 (patch)
treee16d6911125fa785fc3406bdd0e12cf15a9e663f
parentfdefa118ebbcadad4adbaaab067be06a96a48e15 (diff)
downloadop-kernel-dev-98921dbd00c4e2e4bdd56423cb5edf98d57b45f7.zip
op-kernel-dev-98921dbd00c4e2e4bdd56423cb5edf98d57b45f7.tar.gz
Bluetooth: Use devm_kzalloc in btusb.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>
-rw-r--r--drivers/bluetooth/btusb.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index e272214..f637c25 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -952,7 +952,7 @@ static int btusb_probe(struct usb_interface *intf,
return -ENODEV;
}
- data = kzalloc(sizeof(*data), GFP_KERNEL);
+ data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -975,10 +975,8 @@ static int btusb_probe(struct usb_interface *intf,
}
}
- if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
- kfree(data);
+ if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
return -ENODEV;
- }
data->cmdreq_type = USB_TYPE_CLASS;
@@ -998,10 +996,8 @@ static int btusb_probe(struct usb_interface *intf,
init_usb_anchor(&data->deferred);
hdev = hci_alloc_dev();
- if (!hdev) {
- kfree(data);
+ if (!hdev)
return -ENOMEM;
- }
hdev->bus = HCI_USB;
hci_set_drvdata(hdev, data);
@@ -1069,7 +1065,6 @@ static int btusb_probe(struct usb_interface *intf,
data->isoc, data);
if (err < 0) {
hci_free_dev(hdev);
- kfree(data);
return err;
}
}
@@ -1077,7 +1072,6 @@ static int btusb_probe(struct usb_interface *intf,
err = hci_register_dev(hdev);
if (err < 0) {
hci_free_dev(hdev);
- kfree(data);
return err;
}
@@ -1110,7 +1104,6 @@ static void btusb_disconnect(struct usb_interface *intf)
usb_driver_release_interface(&btusb_driver, data->isoc);
hci_free_dev(hdev);
- kfree(data);
}
#ifdef CONFIG_PM
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