diff options
| author | Zhenyu Wang <zhenyu.z.wang@intel.com> | 2008-10-17 13:15:48 +0800 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-10-23 13:42:26 +1000 |
| commit | 863842736fb4571b22e0f7f4696bf13eeec57166 (patch) | |
| tree | 4a3403a8e0577f7dc562f8e2bf7b4071fc0c6be4 /drivers/gpu | |
| parent | e9d21d7f5ae1e625f3687d88bb50b00478c533ad (diff) | |
| download | linux-863842736fb4571b22e0f7f4696bf13eeec57166.tar.gz | |
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_drawable.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_drawable.c b/drivers/gpu/drm/drm_drawable.c index 1839c57663c5..70b15d1b8f54 100644 --- a/drivers/gpu/drm/drm_drawable.c +++ b/drivers/gpu/drm/drm_drawable.c @@ -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 |