Thread (1 message) 1 message, 1 author, 2021-09-10

[PATCH AUTOSEL 5.14 55/99] HID: thrustmaster: Fix memory leak in thrustmaster_interrupts()

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STALE1853d

From: Sasha Levin <sashal@kernel.org>
Date: 2021-09-10 00:43:42
Also in: linux-arm-kernel, lkml, stable
Subsystem: hid core layer, the rest · Maintainers: Jiri Kosina, Benjamin Tissoires, Linus Torvalds

From: Evgeny Novikov <redacted>

[ Upstream commit c3800eed22d21c66912b4461a403b4448ed88d95 ]

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 <redacted>
Signed-off-by: Jiri Kosina <redacted>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 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;
 		}
 	}
-- 
2.30.2
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