Applied.

Thanks, Inki Dae

2012/12/10 Wei Yongjun weiyj.lk@gmail.com

From: Wei Yongjun yongjun_wei@trendmicro.com.cn

In case of error, function arm_iommu_create_mapping() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun yongjun_wei@trendmicro.com.cn

drivers/gpu/drm/exynos/exynos_drm_iommu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c index 09db198..2482b7f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c @@ -56,8 +56,8 @@ int drm_create_iommu_mapping(struct drm_device *drm_dev) mapping = arm_iommu_create_mapping(&platform_bus_type, priv->da_start, priv->da_space_size, priv->da_space_order);

•   if (!mapping)
  

•           return -ENOMEM;
  

•   if (IS_ERR(mapping))
  

•           return PTR_ERR(mapping);
  
    dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
                                    GFP_KERNEL);
  
  
  

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