arm: plat-omap: iommu: fix request_mem_region() error path

Commit Message

Koskinen, Aaro (Nokia - FI/Espoo) March 14, 2011, 12:28 p.m. UTC

None

Patch

diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index b1107c0..50be5e7 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -957,11 +957,6 @@  static int __devinit omap_iommu_probe(struct platform_device *pdev)
 		err = -ENODEV;
 		goto err_mem;
 	}
-	obj->regbase = ioremap(res->start, resource_size(res));
-	if (!obj->regbase) {
-		err = -ENOMEM;
-		goto err_mem;
-	}
 
 	res = request_mem_region(res->start, resource_size(res),
 				 dev_name(&pdev->dev));
@@ -970,6 +965,12 @@  static int __devinit omap_iommu_probe(struct platform_device *pdev)
 		goto err_mem;
 	}
 
+	obj->regbase = ioremap(res->start, resource_size(res));
+	if (!obj->regbase) {
+		err = -ENOMEM;
+		goto err_ioremap;
+	}
+
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		err = -ENODEV;
@@ -998,8 +999,9 @@  static int __devinit omap_iommu_probe(struct platform_device *pdev)
 err_pgd:
 	free_irq(irq, obj);
 err_irq:
-	release_mem_region(res->start, resource_size(res));
 	iounmap(obj->regbase);
+err_ioremap:
+	release_mem_region(res->start, resource_size(res));
 err_mem:
 	clk_put(obj->clk);
 err_clk: