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Message-Id: <1374428498-14222-1-git-send-email-festevam@gmail.com> Date: Sun, 21 Jul 2013 14:41:38 -0300 From: Fabio Estevam <festevam@...il.com> To: herbert@...dor.apana.org.au Cc: s.hauer@...gutronix.de, linux-kernel@...r.kernel.org, Fabio Estevam <fabio.estevam@...escale.com> Subject: [PATCH] hw_random: mxc-rnga: 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/char/hw_random/mxc-rnga.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c index 19a12ac..6a86b6f 100644 --- a/drivers/char/hw_random/mxc-rnga.c +++ b/drivers/char/hw_random/mxc-rnga.c @@ -164,7 +164,9 @@ static int __init mxc_rnga_probe(struct platform_device *pdev) goto out; } - clk_prepare_enable(mxc_rng->clk); + err = clk_prepare_enable(mxc_rng->clk); + if (err) + goto out; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); mxc_rng->mem = devm_ioremap_resource(&pdev->dev, res); -- 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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