Commit 775c6709 authored by Thomas Hellstrom's avatar Thomas Hellstrom Committed by Dave Airlie
Browse files

drm: Fix a bug in the range manager. 



When searching for free space in a range, the function could return a node extending outside of the given range.

Signed-off-by: default avatarThomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 724e6d3f

drivers/gpu/drm/drm_mm.c

+2 −1
Original line number Diff line number Diff line
@@ -405,7 +405,8 @@ struct drm_mm_node *drm_mm_search_free_in_range(const struct drm_mm *mm, 
				wasted += alignment - tmp;

		}



		if (entry->size >= size + wasted) {

		if (entry->size >= size + wasted &&

		    (entry->start + wasted + size) <= end) {

			if (!best_match)

				return entry;

			if (entry->size < best_size) {