Commit ac1ed0c0 authored by Fabio Estevam's avatar Fabio Estevam Committed by Herbert Xu
Browse files

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



devm_ioremap_resource() may fail, so better check its return value and propagate
it in the case of error.

Signed-off-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 48e6dc1b

drivers/crypto/dcp.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -734,6 +734,8 @@ static int dcp_probe(struct platform_device *pdev) 




	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	dev->dcp_regs_base = devm_ioremap_resource(&pdev->dev, r);

	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);

	dcp_set(dev, DCP_CTRL_SFRST, DCP_REG_CTRL);

	udelay(10);

	udelay(10);