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>
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parent
3253398385
commit
931cbaf352
@ -211,7 +211,7 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
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int ret;
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int ret;
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int irq_base;
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int irq_base;
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adc = kmalloc(sizeof(*adc), GFP_KERNEL);
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adc = devm_kzalloc(&pdev->dev, sizeof(*adc), GFP_KERNEL);
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if (!adc) {
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if (!adc) {
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dev_err(&pdev->dev, "Failed to allocate driver structure\n");
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dev_err(&pdev->dev, "Failed to allocate driver structure\n");
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return -ENOMEM;
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return -ENOMEM;
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@ -221,30 +221,27 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
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if (adc->irq < 0) {
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if (adc->irq < 0) {
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ret = adc->irq;
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ret = adc->irq;
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dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret);
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dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret);
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goto err_free;
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return ret;
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}
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}
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irq_base = platform_get_irq(pdev, 1);
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irq_base = platform_get_irq(pdev, 1);
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if (irq_base < 0) {
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if (irq_base < 0) {
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ret = irq_base;
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dev_err(&pdev->dev, "Failed to get irq base: %d\n", irq_base);
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dev_err(&pdev->dev, "Failed to get irq base: %d\n", ret);
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return irq_base;
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goto err_free;
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}
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}
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mem_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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mem_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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if (!mem_base) {
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if (!mem_base) {
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ret = -ENOENT;
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dev_err(&pdev->dev, "Failed to get platform mmio resource\n");
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dev_err(&pdev->dev, "Failed to get platform mmio resource\n");
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goto err_free;
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return -ENOENT;
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}
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}
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/* Only request the shared registers for the MFD driver */
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/* Only request the shared registers for the MFD driver */
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adc->mem = request_mem_region(mem_base->start, JZ_REG_ADC_STATUS,
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adc->mem = request_mem_region(mem_base->start, JZ_REG_ADC_STATUS,
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pdev->name);
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pdev->name);
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if (!adc->mem) {
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if (!adc->mem) {
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ret = -EBUSY;
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dev_err(&pdev->dev, "Failed to request mmio memory region\n");
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dev_err(&pdev->dev, "Failed to request mmio memory region\n");
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goto err_free;
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return -EBUSY;
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}
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}
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adc->base = ioremap_nocache(adc->mem->start, resource_size(adc->mem));
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adc->base = ioremap_nocache(adc->mem->start, resource_size(adc->mem));
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@ -301,9 +298,6 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
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iounmap(adc->base);
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iounmap(adc->base);
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err_release_mem_region:
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err_release_mem_region:
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release_mem_region(adc->mem->start, resource_size(adc->mem));
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release_mem_region(adc->mem->start, resource_size(adc->mem));
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err_free:
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kfree(adc);
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return ret;
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return ret;
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}
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}
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@ -325,8 +319,6 @@ static int __devexit jz4740_adc_remove(struct platform_device *pdev)
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platform_set_drvdata(pdev, NULL);
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platform_set_drvdata(pdev, NULL);
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kfree(adc);
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return 0;
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return 0;
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}
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}
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