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Message-Id: <1385953981-23630-2-git-send-email-festevam@gmail.com>
Date: Mon, 2 Dec 2013 01:13:01 -0200
From: Fabio Estevam <festevam@...il.com>
To: akpm@...ux-foundation.org
Cc: a.zummo@...ertech.it, s.hauer@...gutronix.de,
linux-kernel@...r.kernel.org,
Fabio Estevam <fabio.estevam@...escale.com>
Subject: [PATCH 2/2] rtc: rtc-mxc: Check the return value from clk_prepare_enable()
From: Fabio Estevam <fabio.estevam@...escale.com>
clk_prepare_enable() may fail, so let's check its return value and propagate it
in the case of error.
Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
---
drivers/rtc/rtc-mxc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index a3ed1cf..419874f 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -394,7 +394,10 @@ static int mxc_rtc_probe(struct platform_device *pdev)
return PTR_ERR(pdata->clk);
}
- clk_prepare_enable(pdata->clk);
+ ret = clk_prepare_enable(pdata->clk);
+ if (ret)
+ return ret;
+
rate = clk_get_rate(pdata->clk);
if (rate == 32768)
--
1.8.1.2
--
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