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authorKrzysztof Kozlowski <krzk@kernel.org>2017-06-16 21:28:06 +0200
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2017-06-24 22:52:40 +0200
commit9903f68af6ca9d9b25f5c50bfedd2e0cb899f848 (patch)
tree4d3300a98d6d8dba4e8c84e161461b645645c815 /drivers/rtc
parent6b72086d8594febb9e9d63cfb29d950da17e8f06 (diff)
rtc: s3c: Handle clock prepare failures in probe
clk_prepare_enable() can fail so handle such case. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-s3c.c8
1 files 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 */