From 77ef8bbc87be7ad10b410247efc6d0f10676b401 Mon Sep 17 00:00:00 2001 From: David Herrmann Date: Mon, 1 Jul 2013 20:32:58 +0200 Subject: [PATCH] drm: make drm_mm_init() return void There is no reason to return "int" as this function never fails. Furthermore, several drivers (ast, sis) already depend on this. Signed-off-by: David Herrmann Reviewed-by: Daniel Vetter Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_gem.c | 8 ++------ drivers/gpu/drm/drm_mm.c | 4 +--- drivers/gpu/drm/ttm/ttm_bo.c | 6 +----- drivers/gpu/drm/ttm/ttm_bo_manager.c | 8 +------- include/drm/drm_mm.h | 6 +++--- 5 files changed, 8 insertions(+), 24 deletions(-) diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index bcedaf7b73b9..603f256152ef 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -108,12 +108,8 @@ drm_gem_init(struct drm_device *dev) return -ENOMEM; } - if (drm_mm_init(&mm->offset_manager, DRM_FILE_PAGE_OFFSET_START, - DRM_FILE_PAGE_OFFSET_SIZE)) { - drm_ht_remove(&mm->offset_hash); - kfree(mm); - return -ENOMEM; - } + drm_mm_init(&mm->offset_manager, DRM_FILE_PAGE_OFFSET_START, + DRM_FILE_PAGE_OFFSET_SIZE); return 0; } diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 07cf99cc8862..7917729ee61d 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -669,7 +669,7 @@ int drm_mm_clean(struct drm_mm * mm) } EXPORT_SYMBOL(drm_mm_clean); -int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size) +void drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size) { INIT_LIST_HEAD(&mm->hole_stack); INIT_LIST_HEAD(&mm->unused_nodes); @@ -690,8 +690,6 @@ int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size) list_add_tail(&mm->head_node.hole_stack, &mm->hole_stack); mm->color_adjust = NULL; - - return 0; } EXPORT_SYMBOL(drm_mm_init); diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 6e6975c8596f..cb9dd674670c 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1455,9 +1455,7 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev, goto out_no_sys; bdev->addr_space_rb = RB_ROOT; - ret = drm_mm_init(&bdev->addr_space_mm, file_page_offset, 0x10000000); - if (unlikely(ret != 0)) - goto out_no_addr_mm; + drm_mm_init(&bdev->addr_space_mm, file_page_offset, 0x10000000); INIT_DELAYED_WORK(&bdev->wq, ttm_bo_delayed_workqueue); INIT_LIST_HEAD(&bdev->ddestroy); @@ -1471,8 +1469,6 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev, mutex_unlock(&glob->device_list_mutex); return 0; -out_no_addr_mm: - ttm_bo_clean_mm(bdev, 0); out_no_sys: return ret; } diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c index 9212494e9072..e4367f91472a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_manager.c +++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c @@ -103,18 +103,12 @@ static int ttm_bo_man_init(struct ttm_mem_type_manager *man, unsigned long p_size) { struct ttm_range_manager *rman; - int ret; rman = kzalloc(sizeof(*rman), GFP_KERNEL); if (!rman) return -ENOMEM; - ret = drm_mm_init(&rman->mm, 0, p_size); - if (ret) { - kfree(rman); - return ret; - } - + drm_mm_init(&rman->mm, 0, p_size); spin_lock_init(&rman->lock); man->priv = rman; return 0; diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h index 88591ef8fa24..de9242542f05 100644 --- a/include/drm/drm_mm.h +++ b/include/drm/drm_mm.h @@ -275,9 +275,9 @@ static inline struct drm_mm_node *drm_mm_search_free_in_range_color( return drm_mm_search_free_in_range_generic(mm, size, alignment, color, start, end, best_match); } -extern int drm_mm_init(struct drm_mm *mm, - unsigned long start, - unsigned long size); +extern void drm_mm_init(struct drm_mm *mm, + unsigned long start, + unsigned long size); extern void drm_mm_takedown(struct drm_mm *mm); extern int drm_mm_clean(struct drm_mm *mm); extern int drm_mm_pre_get(struct drm_mm *mm); -- 2.20.1