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dmaengine: sf-pdma: Simplify the error handling path in 'sf_pdma_probe()' 

There is no need to explicitly free memory that have been 'devm_kzalloc'ed.
Simplify the probe function accordingly.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Green Wan <green.wan@sifive.com>
Reviewed-by: Green Wan <green.wan@sifive.com>
Link: https://lore.kernel.org/r/20200501100824.126534-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Christophe JAILLET 2020-05-01 12:08:24 +02:00 committed by Vinod Koul
parent d24224dea5
commit f2b5d503c0
1 changed files with 7 additions and 18 deletions
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23
drivers/dma/sf-pdma/sf-pdma.c
View File

@ -506,11 +506,11 @@ static int sf_pdma_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pdma->membase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(pdma->membase))
goto ERR_MEMBASE;
return PTR_ERR(pdma->membase);
ret = sf_pdma_irq_init(pdev, pdma);
if (ret)
goto ERR_INITIRQ;
return ret;
sf_pdma_setup_chans(pdma);
@ -544,24 +544,13 @@ static int sf_pdma_probe(struct platform_device *pdev)
"Failed to set DMA mask. Fall back to default.\n");
ret = dma_async_device_register(&pdma->dma_dev);
if (ret)
goto ERR_REG_DMADEVICE;
return 0;
ERR_MEMBASE:
devm_kfree(&pdev->dev, pdma);
return PTR_ERR(pdma->membase);
ERR_INITIRQ:
devm_kfree(&pdev->dev, pdma);
return ret;
ERR_REG_DMADEVICE:
devm_kfree(&pdev->dev, pdma);
if (ret) {
dev_err(&pdev->dev,
"Can't register SiFive Platform DMA. (%d)\n", ret);
return ret;
}
return 0;
}
static int sf_pdma_remove(struct platform_device *pdev)