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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Evgeny Novikov <novikov@ispras.ru>, Jiri Kosina <jkosina@suse.cz>,
	Sasha Levin <sashal@kernel.org>,
	linux-input@vger.kernel.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH AUTOSEL 5.13 47/88] HID: thrustmaster: Fix memory leaks in probe
Date: Thu,  9 Sep 2021 20:17:39 -0400	[thread overview]
Message-ID: <20210910001820.174272-47-sashal@kernel.org> (raw)
In-Reply-To: <20210910001820.174272-1-sashal@kernel.org>

From: Evgeny Novikov <novikov@ispras.ru>

[ Upstream commit d0f1d5ae23803bd82647a337fa508fa8615defc5 ]

When thrustmaster_probe() handles errors of usb_submit_urb() it does not
free allocated resources and fails. The patch fixes that.

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

Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/hid-thrustmaster.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c
index f643b1cb112d..eede9d676bd4 100644
--- a/drivers/hid/hid-thrustmaster.c
+++ b/drivers/hid/hid-thrustmaster.c
@@ -335,11 +335,14 @@ static int thrustmaster_probe(struct hid_device *hdev, const struct hid_device_i
 	);
 
 	ret = usb_submit_urb(tm_wheel->urb, GFP_ATOMIC);
-	if (ret)
+	if (ret) {
 		hid_err(hdev, "Error %d while submitting the URB. I am unable to initialize this wheel...\n", ret);
+		goto error6;
+	}
 
 	return ret;
 
+error6: kfree(tm_wheel->change_request);
 error5: kfree(tm_wheel->response);
 error4: kfree(tm_wheel->model_request);
 error3: usb_free_urb(tm_wheel->urb);
-- 
2.30.2


  parent reply	other threads:[~2021-09-10  0:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210910001820.174272-1-sashal@kernel.org>
2021-09-10  0:16 ` [PATCH AUTOSEL 5.13 03/88] HID: i2c-hid: goodix: Tie the reset line to true state of the regulator Sasha Levin
2021-09-10  0:17 ` [PATCH AUTOSEL 5.13 20/88] HID: usbhid: free raw_report buffers in usbhid_stop Sasha Levin
2021-09-10  0:17 ` Sasha Levin [this message]
2021-09-10  0:17 ` [PATCH AUTOSEL 5.13 48/88] HID: thrustmaster: Fix memory leak in remove Sasha Levin
2021-09-10  0:17 ` [PATCH AUTOSEL 5.13 49/88] HID: thrustmaster: Fix memory leak in thrustmaster_interrupts() Sasha Levin
2021-09-10  0:17 ` [PATCH AUTOSEL 5.13 50/88] HID: sony: Fix more ShanWan clone gamepads to not rumble when plugged in Sasha Levin

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