Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Evgeny Novikov <novikov@ispras.ru>
To:     Jiri Kosina <jikos@kernel.org>
Cc:     Evgeny Novikov <novikov@ispras.ru>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        linux-input@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        ldv-project@linuxtesting.org
Subject: [PATCH 2/3] HID: thrustmaster: Fix memory leak in remove
Date:   Fri, 30 Jul 2021 19:51:09 +0300
Message-Id: <20210730165110.24667-2-novikov@ispras.ru>
In-Reply-To: <20210730165110.24667-1-novikov@ispras.ru>
References: <20210730165110.24667-1-novikov@ispras.ru>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

thrustmaster_remove() does not release memory for
tm_wheel->change_request. This is fixed by the patch.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
---
 drivers/hid/hid-thrustmaster.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c
index e94d3409fd10..9cb4248f95af 100644
--- a/drivers/hid/hid-thrustmaster.c
+++ b/drivers/hid/hid-thrustmaster.c
@@ -253,6 +253,7 @@ static void thrustmaster_remove(struct hid_device *hdev)
 
 	usb_kill_urb(tm_wheel->urb);
 
+	kfree(tm_wheel->change_request);
 	kfree(tm_wheel->response);
 	kfree(tm_wheel->model_request);
 	usb_free_urb(tm_wheel->urb);
-- 
2.26.2