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crypto: dcp - Check the return value from devm_ioremap_resource()

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devm_ioremap_resource() may fail, so better 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>
This commit is contained in:
Fabio Estevam 2013-09-23 18:12:04 -03:00 committed by Herbert Xu
parent 48e6dc1b2a
commit ac1ed0c0e1
1 changed files with 2 additions and 0 deletions
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2
drivers/crypto/dcp.c
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@ -734,6 +734,8 @@ static int dcp_probe(struct platform_device *pdev)
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->dcp_regs_base = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(dev->dcp_regs_base))
return PTR_ERR(dev->dcp_regs_base);
dcp_set(dev, DCP_CTRL_SFRST, DCP_REG_CTRL);
udelay(10);