From db11cba205b6710a71ef52a0f24e0ef059f29f1c Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Mon, 22 Jun 2015 01:16:19 -0300 Subject: [PATCH] watchdog: imx2_wdt: Disable previously acquired clock on error path If watchdog_register_device() fails we should disable the previously acquired wdev->clk clock on error path. Signed-off-by: Fabio Estevam Reviewed-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/imx2_wdt.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index add1fa0fad17..0bb1a1d1b170 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -291,7 +291,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) ret = watchdog_register_device(wdog); if (ret) { dev_err(&pdev->dev, "cannot register watchdog device\n"); - return ret; + goto disable_clk; } wdev->restart_handler.notifier_call = imx2_restart_handler; @@ -304,6 +304,10 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) wdog->timeout, nowayout); return 0; + +disable_clk: + clk_disable_unprepare(wdev->clk); + return ret; } static int __exit imx2_wdt_remove(struct platform_device *pdev) -- 2.20.1