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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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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