[PATCH] Bluetooth: btusb: Fix memleak in btusb_mtk_submit_wmt_recv_urb

[Dinghao Liu]

When kmalloc() on buf fails, urb should be freed just like
when kmalloc() on dr fails.

Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
---
 drivers/bluetooth/btusb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 8d2608ddfd08..f88968bcdd6a 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2896,6 +2896,7 @@ static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev 
*hdev)
        buf = kmalloc(size, GFP_KERNEL);
        if (!buf) {
                kfree(dr);
+               usb_free_urb(urb);
                return -ENOMEM;
        }
 
-- 
2.17.1