From: Dinghao Liu <dinghao.liu@zju.edu.cn>
Date: Sun, 23 Aug 2020 07:44:21 +0000 (+0800)
Subject: Bluetooth: btusb: Fix memleak in btusb_mtk_submit_wmt_recv_urb
X-Git-Tag: v5.8.17~27
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e2b67844504923c2a41abea47259ab71ace7f38;p=thirdparty%2Fkernel%2Fstable.git

Bluetooth: btusb: Fix memleak in btusb_mtk_submit_wmt_recv_urb

[ Upstream commit d33fe77bdf75806d785dabf90d21d962122e5296 ]

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

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a5fef9aa419fd..91a0c84d55c97 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2849,6 +2849,7 @@ 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;
 	}