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authorCong Ding <dinggnu@gmail.com>2013-01-18 21:42:18 +0100
committerJoerg Roedel <joro@8bytes.org>2013-01-28 15:21:27 +0100
commit0af125ca06afbf279c45dc5a57ec35247b35e0e2 (patch)
tree96ef01a6dda5b2a3e359723d20f544d55d0c6f58 /drivers/iommu/omap-iommu.c
parent949db153b6466c6f7cad5a427ecea94985927311 (diff)
downloadlinux-0af125ca06afbf279c45dc5a57ec35247b35e0e2.tar.gz
iommu/omap: Remove unnecessary null pointer check
The pointer obj is dereferenced in line 146 and 149 respectively, so it is not necessary to check null again in line 149 and 175. And I have checked that all the callers of these two functions guarantee the parameter obj passed is not null. Signed-off-by: Cong Ding <dinggnu@gmail.com> Acked-by: Ohad Ben-Cohen <ohad@wizery.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'drivers/iommu/omap-iommu.c')
-rw-r--r--drivers/iommu/omap-iommu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index d33c980e9c2..6ac02fa5910 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -146,7 +146,7 @@ static int iommu_enable(struct omap_iommu *obj)
struct platform_device *pdev = to_platform_device(obj->dev);
struct iommu_platform_data *pdata = pdev->dev.platform_data;
- if (!obj || !pdata)
+ if (!pdata)
return -EINVAL;
if (!arch_iommu)
@@ -172,7 +172,7 @@ static void iommu_disable(struct omap_iommu *obj)
struct platform_device *pdev = to_platform_device(obj->dev);
struct iommu_platform_data *pdata = pdev->dev.platform_data;
- if (!obj || !pdata)
+ if (!pdata)
return;
arch_iommu->disable(obj);