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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2016-10-31 09:35:50 +0300
committerBen Skeggs <bskeggs@redhat.com>2016-11-07 07:04:40 +0300
commit91cf301f6ffb854a03c55df39ab04298f12cb000 (patch)
tree45180a2e84f94816b4faafaff5244ea6e2377d7a /drivers/gpu
parent770b06e8cbdaae268286d627883c01f9ff7682f4 (diff)
downloadlinux-91cf301f6ffb854a03c55df39ab04298f12cb000.tar.xz
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 <christophe.jaillet@wanadoo.fr> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c2
1 files changed, 1 insertions, 1 deletions
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;
/*