[PATCH] serial: 8250_omap: fix a timeout loop condition

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

This loop ends on -1 so the error message will never be printed.

Fixes: 4bcf59a5dea0 ("serial: 8250: 8250_omap: Account for data in flight during DMA teardown")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/tty/serial/8250/8250_omap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index 8ac11eaeca51..c06631ced414 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -813,7 +813,7 @@ static void __dma_rx_do_complete(struct uart_8250_port *p)
 			       poll_count--)
 				cpu_relax();
 
-			if (!poll_count)
+			if (poll_count == -1)
 				dev_err(p->port.dev, "teardown incomplete\n");
 		}
 	}
-- 
2.30.2