From 91cf301f6ffb854a03c55df39ab04298f12cb000 Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Mon, 31 Oct 2016 07:35:50 +0100 Subject: [PATCH] drm/nouveau/tegra: Fix error handling 'iommu_domain_alloc()' returns NULL in case of error, not an error pointer. So test it accordingly. Signed-off-by: Christophe JAILLET Reviewed-by: Alexandre Courbot Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 9b638bd905ff..f2bc0b7d9b93 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -102,7 +102,7 @@ nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev) if (iommu_present(&platform_bus_type)) { tdev->iommu.domain = iommu_domain_alloc(&platform_bus_type); - if (IS_ERR(tdev->iommu.domain)) + if (!tdev->iommu.domain) goto error; /* -- 2.20.1