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Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drm_bo.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 51cd1756..2e210040 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -789,6 +789,11 @@ static int drm_bo_mem_force_space(struct drm_device *dev,
}
node = drm_mm_get_block(node, num_pages, mem->page_alignment);
+ if (unlikely(!node)) {
+ mutex_unlock(&dev->struct_mutex);
+ return -ENOMEM;
+ }
+
mutex_unlock(&dev->struct_mutex);
mem->mm_node = node;
mem->mem_type = mem_type;
@@ -1482,6 +1487,9 @@ static int drm_buffer_object_validate(struct drm_buffer_object *bo,
if (ret) {
if (ret != -EAGAIN)
DRM_ERROR("Failed moving buffer.\n");
+ if (ret == -ENOMEM)
+ DRM_ERROR("Out of aperture space or "
+ "DRM memory quota.\n");
return ret;
}
}
@@ -2747,7 +2755,7 @@ static int drm_bo_setup_vm_locked(struct drm_buffer_object *bo)
list->file_offset_node = drm_mm_search_free(&dev->offset_manager,
bo->mem.num_pages, 0, 0);
- if (!list->file_offset_node) {
+ if (unlikely(!list->file_offset_node)) {
drm_bo_takedown_vm_locked(bo);
return -ENOMEM;
}
@@ -2755,6 +2763,11 @@ static int drm_bo_setup_vm_locked(struct drm_buffer_object *bo)
list->file_offset_node = drm_mm_get_block(list->file_offset_node,
bo->mem.num_pages, 0);
+ if (unlikely(!list->file_offset_node)) {
+ drm_bo_takedown_vm_locked(bo);
+ return -ENOMEM;
+ }
+
list->hash.key = list->file_offset_node->start;
if (drm_ht_insert_item(&dev->map_hash, &list->hash)) {
drm_bo_takedown_vm_locked(bo);