Bluetooth: btmtk: fix urb->setup_packet leak in error paths

The setup_packet of control urb is not freed if usb_submit_urb fails or
the submitted urb is killed. Add free in these two paths.

Fixes: a1c49c434e150 ("Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices")
Signed-off-by: Jiajia Liu <liujiajia@kylinos.cn>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
index a29f72216c34550321ea64ce064b9e9fff12c5bb..8ff66b276af03e024b04c00de9580799aa4bef8e 100644 (file)
--- a/drivers/bluetooth/btmtk.c
+++ b/drivers/bluetooth/btmtk.c
@@ -537,6 +537,7 @@ static void btmtk_usb_wmt_recv(struct urb *urb)
                return;
        } else if (urb->status == -ENOENT) {
                /* Avoid suspend failed when usb_kill_urb */
+               kfree(urb->setup_packet);
                return;
        }
 
@@ -610,6 +611,7 @@ static int btmtk_usb_submit_wmt_recv_urb(struct hci_dev *hdev)
                if (err != -EPERM && err != -ENODEV)
                        bt_dev_err(hdev, "urb %p submission failed (%d)",
                                   urb, -err);
+               kfree(dr);
                usb_unanchor_urb(urb);
        }