[PATCH 5/6] rtc: s3c: Handle clock prepare failures in probe
From: Krzysztof Kozlowski
Date: Fri Jun 16 2017 - 15:29:24 EST
clk_prepare_enable() can fail so handle such case.
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
drivers/rtc/rtc-s3c.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index c666b95fb8d7..0cb2f27a30b4 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -498,7 +498,9 @@ static int s3c_rtc_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "probe deferred due to missing rtc clk\n");
return ret;
}
- clk_prepare_enable(info->rtc_clk);
+ ret = clk_prepare_enable(info->rtc_clk);
+ if (ret)
+ return ret;
if (info->data->needs_src_clk) {
info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src");
@@ -512,7 +514,9 @@ static int s3c_rtc_probe(struct platform_device *pdev)
"probe deferred due to missing rtc src clk\n");
goto err_src_clk;
}
- clk_prepare_enable(info->rtc_src_clk);
+ ret = clk_prepare_enable(info->rtc_src_clk);
+ if (ret)
+ goto err_src_clk;
}
/* check to see if everything is setup correctly */
--
2.9.3