if (iommu) {
dev_info(drm->dev, "%s: using IOMMU\n", name);
gpu->mmu = msm_iommu_new(&pdev->dev, iommu);
+ if (IS_ERR(gpu->mmu)) {
+ ret = PTR_ERR(gpu->mmu);
+ dev_err(drm->dev, "failed to init iommu: %d\n", ret);
+ gpu->mmu = NULL;
+ iommu_domain_free(iommu);
+ goto fail;
+ }
+
} else {
dev_info(drm->dev, "%s: no IOMMU, fallback to VRAM carveout!\n", name);
}