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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index d33c980e9c20..6ac02fa5910f 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);