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* [PATCH 1/2] rtc: rtc-mxc: Remove unneeded label
@ 2013-12-02  3:13 Fabio Estevam
  2013-12-02  3:13 ` [PATCH 2/2] rtc: rtc-mxc: Check the return value from clk_prepare_enable() Fabio Estevam
  0 siblings, 1 reply; 2+ messages in thread
From: Fabio Estevam @ 2013-12-02  3:13 UTC (permalink / raw)
  To: akpm; +Cc: a.zummo, s.hauer, linux-kernel, Fabio Estevam

From: Fabio Estevam <fabio.estevam@freescale.com>

There is no need to jump to the 'exit_free_pdata' label when devm_clk_get()
fails, as we can directly return the error and simplify the code a bit.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 drivers/rtc/rtc-mxc.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index 50c5726..a3ed1cf 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -391,8 +391,7 @@ static int mxc_rtc_probe(struct platform_device *pdev)
 	pdata->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(pdata->clk)) {
 		dev_err(&pdev->dev, "unable to get clock!\n");
-		ret = PTR_ERR(pdata->clk);
-		goto exit_free_pdata;
+		return PTR_ERR(pdata->clk);
 	}
 
 	clk_prepare_enable(pdata->clk);
@@ -447,8 +446,6 @@ static int mxc_rtc_probe(struct platform_device *pdev)
 exit_put_clk:
 	clk_disable_unprepare(pdata->clk);
 
-exit_free_pdata:
-
 	return ret;
 }
 
-- 
1.8.1.2


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* [PATCH 2/2] rtc: rtc-mxc: Check the return value from clk_prepare_enable()
  2013-12-02  3:13 [PATCH 1/2] rtc: rtc-mxc: Remove unneeded label Fabio Estevam
@ 2013-12-02  3:13 ` Fabio Estevam
  0 siblings, 0 replies; 2+ messages in thread
From: Fabio Estevam @ 2013-12-02  3:13 UTC (permalink / raw)
  To: akpm; +Cc: a.zummo, s.hauer, linux-kernel, Fabio Estevam

From: Fabio Estevam <fabio.estevam@freescale.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@freescale.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


^ permalink raw reply related	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-12-02  3:13 UTC | newest]

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2013-12-02  3:13 [PATCH 1/2] rtc: rtc-mxc: Remove unneeded label Fabio Estevam
2013-12-02  3:13 ` [PATCH 2/2] rtc: rtc-mxc: Check the return value from clk_prepare_enable() Fabio Estevam

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