diff options
| -rw-r--r-- | drivers/char/drm/drm_bufs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index 1845dd062816..1db12dcb6802 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -154,7 +154,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, case _DRM_REGISTERS: case _DRM_FRAME_BUFFER: #if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) - if (map->offset + map->size < map->offset || + if (map->offset + (map->size-1) < map->offset || map->offset < virt_to_phys(high_memory)) { drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -EINVAL; |