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dmaengine: intel_mid_dma: error path fix 

Add missing iounmap in error path.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Adrian Hunter 2011-12-16 11:01:39 +02:00 committed by Vinod Koul
parent 1fded07513
commit 2a0ff7a602
1 changed files with 5 additions and 1 deletions
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6
drivers/dma/intel_mid_dma.c
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@ -1104,7 +1104,8 @@ static int mid_setup_dma(struct pci_dev *pdev)
LNW_PERIPHRAL_MASK_SIZE);
if (dma->mask_reg == NULL) {
pr_err("ERR_MDMA:Can't map periphral intr space !!\n");
return -ENOMEM;
err = -ENOMEM;
goto err_ioremap;
}
} else
dma->mask_reg = NULL;
@ -1201,6 +1202,9 @@ static int mid_setup_dma(struct pci_dev *pdev)
err_engine:
free_irq(pdev->irq, dma);
err_irq:
if (dma->mask_reg)
iounmap(dma->mask_reg);
err_ioremap:
pci_pool_destroy(dma->dma_pool);
err_dma_pool:
pr_err("ERR_MDMA:setup_dma failed: %d\n", err);