diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c index c4341dd4b6a4..90d6fc1618aa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c @@ -93,6 +93,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev, bool has_userptr = false; unsigned i; + int r; array = drm_malloc_ab(num_entries, sizeof(struct amdgpu_bo_list_entry)); if (!array) @@ -102,17 +103,26 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev, for (i = 0; i < num_entries; ++i) { struct amdgpu_bo_list_entry *entry = &array[i]; struct drm_gem_object *gobj; + struct mm_struct *usermm; gobj = drm_gem_object_lookup(adev->ddev, filp, info[i].bo_handle); - if (!gobj) + if (!gobj) { + r = -ENOENT; goto error_free; + } entry->robj = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj)); drm_gem_object_unreference_unlocked(gobj); entry->priority = min(info[i].bo_priority, AMDGPU_BO_LIST_MAX_PRIORITY); - if (amdgpu_ttm_tt_has_userptr(entry->robj->tbo.ttm)) + usermm = amdgpu_ttm_tt_get_usermm(entry->robj->tbo.ttm); + if (usermm) { + if (usermm != current->mm) { + r = -EPERM; + goto error_free; + } has_userptr = true; + } entry->tv.bo = &entry->robj->tbo; entry->tv.shared = true; @@ -142,7 +152,7 @@ static int amdgpu_bo_list_set(struct amdgpu_device *adev, error_free: drm_free_large(array); - return -ENOENT; + return r; } struct amdgpu_bo_list * |