media: rc: iguanair: handle timeouts

In case of a timeout the IO must be cancelled or
the next IO using the URB will fail and/or overwrite
an operational URB.

The automatic bisection fails because it arrives
at a commit that correctly lets the test case run
without an error.

Signed-off-by: Oliver Neukum <[email protected]>
Fixes: e99a7cf ("[media] iguanair: reuse existing urb callback for command responses")
Reported-by: [email protected]
Closes: https://lore.kernel.org/all/[email protected]/
Tested-by: [email protected]
Signed-off-by: Sean Young <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

Author: oneukum

drivers/media/rc/iguanair.c

@@ -194,8 +194,10 @@ static int iguanair_send(struct iguanair *ir, unsigned size)
 	if (rc)
 		return rc;
 
-	if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0)
+	if (wait_for_completion_timeout(&ir->completion, TIMEOUT) == 0) {
+		usb_kill_urb(ir->urb_out);
 		return -ETIMEDOUT;
+	}
 
 	return rc;
 }