From: Adrian Hunter <adrian.hunter@intel.com>
Date: Fri, 16 Dec 2011 09:01:39 +0000 (+0200)
Subject: dmaengine: intel_mid_dma: error path fix
X-Git-Tag: v3.3-rc1~19^2~6
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=2a0ff7a602714990b10a8749e908dad48401138e;p=linux.git

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>
---

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);