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-rw-r--r--linux-core/drm_bufs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c
index f0b28fa1..60eca60c 100644
--- a/linux-core/drm_bufs.c
+++ b/linux-core/drm_bufs.c
@@ -231,7 +231,7 @@ static int drm_addmap_core(struct drm_device *dev, unsigned int offset,
*/
if (map->offset < dev->agp->base ||
map->offset > dev->agp->base +
- dev->agp->agp_info.aper_size * 1024 * 1024) {
+ dev->agp->agp_info.aper_size * 1024 * 1024 - 1) {
map->offset += dev->agp->base;
}
map->mtrr = dev->agp->agp_mtrr; /* for getmap */