# \[PATCH 3/3\] HID: thrustmaster: Fix memory leak in thrustmaster\_interrupts()

- From: Evgeny Novikov \<hidden\>
- Date: 2021-07-30 16:53:39 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/07/1463566
- Thread: https://ratatoskr.run/linux-input/2021/07/1463566/t.md

```text
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>
---
 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


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```