[PATCH 3/3] HID: thrustmaster: Fix memory leak in thrustmaster_interrupts()

From: Evgeny Novikov
Date: Fri Jul 30 2021 - 12:53:39 EST


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@xxxxxxxxx>
---
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