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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 3/3] HID: thrustmaster: Fix memory leak in thrustmaster_interrupts()
Date:   Fri, 30 Jul 2021 19:53:33 +0300
Message-Id: <20210730165333.25395-1-novikov@ispras.ru>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

thrustmaster_interrupts() does not free memory for send_buf when
usb_interrupt_msg() fails. This is fixed by the given 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 9cb4248f95af..d44550aa8805 100644
--- a/drivers/hid/hid-thrustmaster.c
+++ b/drivers/hid/hid-thrustmaster.c
@@ -173,6 +173,7 @@ static void thrustmaster_interrupts(struct hid_device *hdev)
 
 		if (ret) {
 			hid_err(hdev, "setup data couldn't be sent\n");
+			kfree(send_buf);
 			return;
 		}
 	}
-- 
2.26.2