From 74cdf8cec7dd4c9c06533555a49b4afb429cb5be Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Thu, 25 Apr 2019 15:10:44 +0000 Subject: [PATCH] serial: milbeaut_usio: Fix error handling in probe and remove devm_clk_get() is used so there is no reason to explicitly call clk_put() in probe or remove functions. Also remove duplicate assign for port->membase. Fixes: ba44dc043004 ("serial: Add Milbeaut serial control") Signed-off-by: Wei Yongjun Tested-by: Sugaya Taichi Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/milbeaut_usio.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/drivers/tty/serial/milbeaut_usio.c b/drivers/tty/serial/milbeaut_usio.c index 4a10604211be..949ab7efc4fc 100644 --- a/drivers/tty/serial/milbeaut_usio.c +++ b/drivers/tty/serial/milbeaut_usio.c @@ -525,8 +525,6 @@ static int mlb_usio_probe(struct platform_device *pdev) ret = -ENODEV; goto failed; } - port->mapbase = res->start; - port->membase = ioremap(res->start, (res->end - res->start + 1)); port->membase = devm_ioremap(&pdev->dev, res->start, resource_size(res)); @@ -548,16 +546,12 @@ static int mlb_usio_probe(struct platform_device *pdev) ret = uart_add_one_port(&mlb_usio_uart_driver, port); if (ret) { dev_err(&pdev->dev, "Adding port failed: %d\n", ret); - goto failed1; + goto failed; } return 0; -failed1: - iounmap(port->membase); - failed: clk_disable_unprepare(clk); - clk_put(clk); return ret; } @@ -569,7 +563,6 @@ static int mlb_usio_remove(struct platform_device *pdev) uart_remove_one_port(&mlb_usio_uart_driver, port); clk_disable_unprepare(clk); - clk_put(clk); return 0; }