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

From: Arvind Yadav
Date: Wed Jun 07 2017 - 05:34:43 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/meson_gxbb_wdt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/meson_gxbb_wdt.c b/drivers/watchdog/meson_gxbb_wdt.c
index 45d4766..69a5a57 100644
--- a/drivers/watchdog/meson_gxbb_wdt.c
+++ b/drivers/watchdog/meson_gxbb_wdt.c
@@ -203,7 +203,9 @@ static int meson_gxbb_wdt_probe(struct platform_device *pdev)
if (IS_ERR(data->clk))
return PTR_ERR(data->clk);

- clk_prepare_enable(data->clk);
+ ret = clk_prepare_enable(data->clk);
+ if (ret)
+ return ret;

platform_set_drvdata(pdev, data);

--
1.9.1