On 2012? 12? 07? 21:50, Wei Yongjun wrote: > From: Wei Yongjun <yongjun_wei at 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 at trendmicro.com.cn> > --- > drivers/gpu/drm/exynos/exynos_drm_iommu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c > b/drivers/gpu/drm/exynos/exynos_drm_iommu.c > index 09db198..3b3d3a6 100644 > --- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c > +++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c > @@ -56,7 +56,7 @@ 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) > + if (IS_ERR(mapping)) > return -ENOMEM;
One more fix is needed here. - return -ENOMEM; + return PTR_ERR(mapping); > > dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms), > > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel > -- Seung-Woo Kim Samsung Software R&D Center --
