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drivers/rtc/rtc-mxc.c: check the return value from clk_prepare_enable()

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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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Fabio Estevam 2014-01-23 15:55:05 -08:00 committed by Linus Torvalds
parent fbd5e754cb
commit 1b3d2243d0
1 changed files with 4 additions and 1 deletions
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5
drivers/rtc/rtc-mxc.c
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@ -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)