diff options
| author | Sachin Kamat <sachin.kamat@linaro.org> | 2013-05-29 17:09:10 +0530 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-06-05 16:43:07 +0800 |
| commit | 0bc8a7188ff1b9b1cca2e49fd78f0e1797a75631 (patch) | |
| tree | 5ae92c4fad6705d2bcf4f27bb94bfb076a7a1614 /drivers/crypto | |
| parent | d6dfd683e6b196db4cf92cf226c9f63ee66a5eb1 (diff) | |
| download | linux-0bc8a7188ff1b9b1cca2e49fd78f0e1797a75631.tar.gz linux-0bc8a7188ff1b9b1cca2e49fd78f0e1797a75631.tar.bz2 linux-0bc8a7188ff1b9b1cca2e49fd78f0e1797a75631.zip | |
crypto: dcp - Use devm_* APIs
devm_* APIs are device managed and make cleanup and exit
code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Tested-by: Tobias Rauter <tobiasrauter@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/dcp.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/crypto/dcp.c b/drivers/crypto/dcp.c index 83eaefcefb64..9e91c2cf3bf8 100644 --- a/drivers/crypto/dcp.c +++ b/drivers/crypto/dcp.c @@ -723,12 +723,10 @@ static int dcp_probe(struct platform_device *pdev) struct resource *r; int i, ret, j; - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (dev == NULL) { - dev_err(&pdev->dev, "Failed to allocate structure\n"); - ret = -ENOMEM; - goto err; - } + dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + global_dev = dev; dev->dev = &pdev->dev; @@ -737,11 +735,10 @@ static int dcp_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { dev_err(&pdev->dev, "failed to get IORESOURCE_MEM\n"); - ret = -ENXIO; - goto err_dev; + return -ENXIO; } - dev->dcp_regs_base = ioremap(r->start, resource_size(r)); - + dev->dcp_regs_base = devm_ioremap(&pdev->dev, r->start, + resource_size(r)); dcp_set(dev, DCP_CTRL_SFRST, DCP_REG_CTRL); udelay(10); @@ -762,15 +759,13 @@ static int dcp_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!r) { dev_err(&pdev->dev, "can't get IRQ resource (0)\n"); - ret = -EIO; - goto err_unmap_mem; + return -EIO; } dev->dcp_vmi_irq = r->start; ret = request_irq(dev->dcp_vmi_irq, dcp_vmi_irq, 0, "dcp", dev); if (ret != 0) { dev_err(&pdev->dev, "can't request_irq (0)\n"); - ret = -EIO; - goto err_unmap_mem; + return -EIO; } r = platform_get_resource(pdev, IORESOURCE_IRQ, 1); @@ -863,11 +858,7 @@ err_free_irq1: free_irq(dev->dcp_irq, dev); err_free_irq0: free_irq(dev->dcp_vmi_irq, dev); -err_unmap_mem: - iounmap((void *) dev->dcp_regs_base); -err_dev: - kfree(dev); -err: + return ret; } @@ -890,14 +881,11 @@ static int dcp_remove(struct platform_device *pdev) tasklet_kill(&dev->done_task); tasklet_kill(&dev->queue_task); - iounmap((void *) dev->dcp_regs_base); - for (j = 0; j < ARRAY_SIZE(algs); j++) crypto_unregister_alg(&algs[j]); misc_deregister(&dev->dcp_bootstream_misc); - kfree(dev); return 0; } |