[patch] drm/tegra: checking IS_ERR() instead of NULL

iommu_domain_alloc() returns NULL on error, it never returns error pointers.

Signed-off-by: Dan Carpenter dan.carpenter@oracle.com

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index e549afe..fa16048 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -36,8 +36,8 @@ static int tegra_drm_load(struct drm_device *drm, unsigned long flags)

if (iommu_present(&platform_bus_type)) { tegra->domain = iommu_domain_alloc(&platform_bus_type); - if (IS_ERR(tegra->domain)) { - err = PTR_ERR(tegra->domain); + if (!tegra->domain) { + err = -ENOMEM; goto free; }