diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_resource.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_resource.c | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c index 59e2b7157e41..65451e1bc303 100644 --- a/drivers/gpu/drm/ttm/ttm_resource.c +++ b/drivers/gpu/drm/ttm/ttm_resource.c @@ -27,10 +27,16 @@ int ttm_resource_alloc(struct ttm_buffer_object *bo, const struct ttm_place *place, - struct ttm_resource *res) + struct ttm_resource **res_ptr) { struct ttm_resource_manager *man = ttm_manager_type(bo->bdev, place->mem_type); + struct ttm_resource *res; + int r; + + res = kmalloc(sizeof(*res), GFP_KERNEL); + if (!res) + return -ENOMEM; res->mm_node = NULL; res->start = 0; @@ -41,18 +47,27 @@ int ttm_resource_alloc(struct ttm_buffer_object *bo, res->bus.offset = 0; res->bus.is_iomem = false; res->bus.caching = ttm_cached; + r = man->func->alloc(man, bo, place, res); + if (r) { + kfree(res); + return r; + } - return man->func->alloc(man, bo, place, res); + *res_ptr = res; + return 0; } -void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource *res) +void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource **res) { - struct ttm_resource_manager *man = - ttm_manager_type(bo->bdev, res->mem_type); + struct ttm_resource_manager *man; - man->func->free(man, res); - res->mm_node = NULL; - res->mem_type = TTM_PL_SYSTEM; + if (!*res) + return; + + man = ttm_manager_type(bo->bdev, (*res)->mem_type); + man->func->free(man, *res); + kfree(*res); + *res = NULL; } EXPORT_SYMBOL(ttm_resource_free); |