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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2013-09-23 18:12:04 -0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-10-07 14:16:54 +0800 |
| commit | ac1ed0c0e1a3b52cac89aae92ebc55fd4c19be77 (patch) | |
| tree | 6c3c3f29f26373a9aae85ffbe4f24af8be84f60f | |
| parent | 48e6dc1b2a1ad8186d48968d5018912bdacac744 (diff) | |
| download | blackbird-op-linux-ac1ed0c0e1a3b52cac89aae92ebc55fd4c19be77.tar.gz blackbird-op-linux-ac1ed0c0e1a3b52cac89aae92ebc55fd4c19be77.zip | |
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: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/dcp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/crypto/dcp.c b/drivers/crypto/dcp.c index 7b77c8457854..247ab8048f5b 100644 --- a/drivers/crypto/dcp.c +++ b/drivers/crypto/dcp.c @@ -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); |
