HID: thrustmaster: Fix memory leak in thrustmaster_interrupts()

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>

diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c
index 9cb4248f95afd1176f51e573176f27ca1552c8da..d44550aa880573c037857be00ae94582e7fac644 100644 (file)
--- 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;
                }
        }