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>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index d4b961677e02..bbcd470c3236 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -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);