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Fixup test for memory at end of memory space

main
Dave Airlie 2006-02-18 02:34:53 +00:00
parent 659e9a091d
commit ff9ecc09f9
1 changed files with 1 additions and 1 deletions
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2
linux-core/drm_bufs.c
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@ -154,7 +154,7 @@ 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;