Commit 9e01d0c6 authored Jul 21, 2013 by Fabio Estevam Committed by Herbert Xu Aug 01, 2013

hwrng: mxc-rnga - Check the return value from clk_prepare_enable()



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: Herbert Xu <herbert@gondor.apana.org.au>

parent 69d2884d

drivers/char/hw_random/mxc-rnga.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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);

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