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dmaengine: fsldma: Unmap region obtained by of_iomap

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Free memory mapping, if probe is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Arvind Yadav 2016-09-28 16:15:11 +05:30 committed by Vinod Koul
parent fc878efe84
commit 585a1db1be
1 changed files with 3 additions and 1 deletions
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4
drivers/dma/fsldma.c
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@ -1351,7 +1351,7 @@ static int fsldma_of_probe(struct platform_device *op)
if (!fdev->regs) { if (!fdev->regs) {
dev_err(&op->dev, "unable to ioremap registers\n"); dev_err(&op->dev, "unable to ioremap registers\n");
err = -ENOMEM; err = -ENOMEM;
goto out_free_fdev; goto out_free;
} }
/* map the channel IRQ if it exists, but don't hookup the handler yet */ /* map the channel IRQ if it exists, but don't hookup the handler yet */
@ -1416,6 +1416,8 @@ static int fsldma_of_probe(struct platform_device *op)
out_free_fdev: out_free_fdev:
irq_dispose_mapping(fdev->irq); irq_dispose_mapping(fdev->irq);
iounmap(fdev->regs);
out_free:
kfree(fdev); kfree(fdev);
out_return: out_return:
return err; return err;