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

Dan Carpenter
2021-04-29T07:21:16Z

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@oracle.com>
---
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