diff options
author | Devendra Naga <devendra.aaru@gmail.com> | 2012-11-24 15:14:38 +0400 |
---|---|---|
committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-11-26 15:20:49 +0400 |
commit | 931cbaf352e06b649a5033af8dd17eed53efc2c7 (patch) | |
tree | e6a30ee01c873e293b9889133a8b297461d4779d /drivers/mfd/jz4740-adc.c | |
parent | 32533983858f5f6899f39d54230d9640ef4547cd (diff) | |
download | linux-931cbaf352e06b649a5033af8dd17eed53efc2c7.tar.xz |
mfd: jz4740-adc: Use devm_kzalloc
Use devm_kzalloc and remove the error path free'ing and unload free'ing
as the devm resource functions free them.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/jz4740-adc.c')
-rw-r--r-- | drivers/mfd/jz4740-adc.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index c6b6d7dda517..8619508f3481 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -211,7 +211,7 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev) int ret; int irq_base; - adc = kmalloc(sizeof(*adc), GFP_KERNEL); + adc = devm_kzalloc(&pdev->dev, sizeof(*adc), GFP_KERNEL); if (!adc) { dev_err(&pdev->dev, "Failed to allocate driver structure\n"); return -ENOMEM; @@ -221,30 +221,27 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev) if (adc->irq < 0) { ret = adc->irq; dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret); - goto err_free; + return ret; } irq_base = platform_get_irq(pdev, 1); if (irq_base < 0) { - ret = irq_base; - dev_err(&pdev->dev, "Failed to get irq base: %d\n", ret); - goto err_free; + dev_err(&pdev->dev, "Failed to get irq base: %d\n", irq_base); + return irq_base; } mem_base = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!mem_base) { - ret = -ENOENT; dev_err(&pdev->dev, "Failed to get platform mmio resource\n"); - goto err_free; + return -ENOENT; } /* Only request the shared registers for the MFD driver */ adc->mem = request_mem_region(mem_base->start, JZ_REG_ADC_STATUS, pdev->name); if (!adc->mem) { - ret = -EBUSY; dev_err(&pdev->dev, "Failed to request mmio memory region\n"); - goto err_free; + return -EBUSY; } adc->base = ioremap_nocache(adc->mem->start, resource_size(adc->mem)); @@ -301,9 +298,6 @@ err_iounmap: iounmap(adc->base); err_release_mem_region: release_mem_region(adc->mem->start, resource_size(adc->mem)); -err_free: - kfree(adc); - return ret; } @@ -325,8 +319,6 @@ static int __devexit jz4740_adc_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); - kfree(adc); - return 0; } |