diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_buddy.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_buddy.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_buddy.c b/drivers/gpu/drm/i915/i915_buddy.c index 20babbdb297d..3a2f6eecb2fc 100644 --- a/drivers/gpu/drm/i915/i915_buddy.c +++ b/drivers/gpu/drm/i915/i915_buddy.c @@ -48,6 +48,8 @@ static struct i915_buddy_block *i915_block_alloc(struct i915_buddy_block *parent { struct i915_buddy_block *block; + GEM_BUG_ON(order > I915_BUDDY_MAX_ORDER); + block = kmem_cache_zalloc(global.slab_blocks, GFP_KERNEL); if (!block) return NULL; @@ -56,6 +58,7 @@ static struct i915_buddy_block *i915_block_alloc(struct i915_buddy_block *parent block->header |= order; block->parent = parent; + GEM_BUG_ON(block->header & I915_BUDDY_HEADER_UNUSED); return block; } |