[PATCH AUTOSEL 5.13 49/88] HID: thrustmaster: Fix memory leak in thrustmaster_interrupts()

Sasha Levin
2021-09-10T00:51:21Z

From: Evgeny Novikov <novikov@ispras.ru>

[ 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 <novikov@ispras.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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 3d49f22a9368..7c00c48cc20b 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