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Commit 86384273 authored Oct 17, 2008 by Zhenyu Wang Committed by Dave Airlie Oct 23, 2008

drm: Set cliprects to NULL when changing drawable to having 0 cliprects.



This avoids setting the cliprects pointer to a zero-sized allocation.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent e9d21d7f

drivers/gpu/drm/drm_drawable.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -111,7 +111,9 @@ int drm_update_drawable_info(struct drm_device dev, void data, struct drm_file

		switch (update->type) {
		case DRM_DRAWABLE_CLIPRECTS:
		if (update->num != info->num_rects) {
		if (update->num == 0)
		rects = NULL;
		else if (update->num != info->num_rects) {
		rects = drm_alloc(update->num * sizeof(struct drm_clip_rect),
		DRM_MEM_BUFS);
		} else