summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-omap/iommu.c
diff options
context:
space:
mode:
authorAaro Koskinen2011-03-14 13:28:32 +0100
committerTony Lindgren2011-03-14 19:14:34 +0100
commitda4a0f764a6017659bf32505bbd773f561eaf605 (patch)
treeeaa500c6cb4f137d0144ba036d213fb6a06a3fff /arch/arm/plat-omap/iommu.c
parentOMAP2+: Common CPU DIE ID reading code reads wrong registers for OMAP4430 (diff)
downloadkernel-qcow2-linux-da4a0f764a6017659bf32505bbd773f561eaf605.tar.gz
kernel-qcow2-linux-da4a0f764a6017659bf32505bbd773f561eaf605.tar.xz
kernel-qcow2-linux-da4a0f764a6017659bf32505bbd773f561eaf605.zip
arm: plat-omap: iommu: fix request_mem_region() error path
request_mem_region() error exit will leak ioremapped memory. Fix this by moving the ioremap() after request_mem_region(), which is the proper order to do this anyway. Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap/iommu.c')
-rw-r--r--arch/arm/plat-omap/iommu.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index e3eb0380090a..8a51fd58f656 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -982,11 +982,6 @@ 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));
@@ -995,6 +990,12 @@ 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;
@@ -1023,8 +1024,9 @@ 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: