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authorFabio Estevam <fabio.estevam@freescale.com>2015-06-22 07:16:19 +0300
committerWim Van Sebroeck <wim@iguana.be>2015-06-26 11:41:18 +0300
commitdb11cba205b6710a71ef52a0f24e0ef059f29f1c (patch)
treec9021ef24e7fabb4a039202c47f99a768e18ca37
parentaefb163cb2b876bcbbceee47e3e4f22ed7364630 (diff)
downloadlinux-db11cba205b6710a71ef52a0f24e0ef059f29f1c.tar.xz
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 <fabio.estevam@freescale.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
-rw-r--r--drivers/watchdog/imx2_wdt.c6
1 files changed, 5 insertions, 1 deletions
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)