iommu_domain_alloc() returns NULL on error, it never returns error
pointers.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
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;
}
--
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