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authorChristian König <christian.koenig@amd.com>2016-06-06 10:17:51 +0200
committerAlex Deucher <alexander.deucher@amd.com>2016-07-07 14:54:33 -0400
commit4279cb1423d96e53b6b98ae9f2b41003b013a31f (patch)
tree2d89f2e0e76f5516664828589dc0ab03baf29db8 /drivers/gpu/drm/ttm/ttm_bo.c
parent089f16c55baacd5e8ae3745625efa82899b4b217 (diff)
drm/ttm: remove NULL checks when calling ttm_tt_destroy
The function is a no-op with a NULL pointer. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 4216b3162a8d..43a29555032e 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -147,8 +147,7 @@ static void ttm_bo_release_list(struct kref *list_kref)
BUG_ON(!list_empty(&bo->lru));
BUG_ON(!list_empty(&bo->ddestroy));
- if (bo->ttm)
- ttm_tt_destroy(bo->ttm);
+ ttm_tt_destroy(bo->ttm);
atomic_dec(&bo->glob->bo_count);
if (bo->resv == &bo->ttm_resv)
reservation_object_fini(&bo->ttm_resv);
@@ -396,7 +395,7 @@ moved:
out_err:
new_man = &bdev->man[bo->mem.mem_type];
- if ((new_man->flags & TTM_MEMTYPE_FLAG_FIXED) && bo->ttm) {
+ if (new_man->flags & TTM_MEMTYPE_FLAG_FIXED) {
ttm_tt_destroy(bo->ttm);
bo->ttm = NULL;
}
@@ -417,10 +416,8 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
if (bo->bdev->driver->move_notify)
bo->bdev->driver->move_notify(bo, NULL);
- if (bo->ttm) {
- ttm_tt_destroy(bo->ttm);
- bo->ttm = NULL;
- }
+ ttm_tt_destroy(bo->ttm);
+ bo->ttm = NULL;
ttm_bo_mem_put(bo, &bo->mem);
ww_mutex_unlock (&bo->resv->lock);