[PATCH] watchdog: davinci: Handle return value of clk_prepare_enable

From: Arvind Yadav
Date: Tue Jun 06 2017 - 06:18:15 EST


clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/watchdog/davinci_wdt.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 0e731d7..1ba9ead 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -173,7 +173,11 @@ static int davinci_wdt_probe(struct platform_device *pdev)
return PTR_ERR(davinci_wdt->clk);
}

- clk_prepare_enable(davinci_wdt->clk);
+ ret = clk_prepare_enable(davinci_wdt->clk);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to prepare clock\n");
+ return ret;
+ }

platform_set_drvdata(pdev, davinci_wdt);

--
1.9.1