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Commit 8d2ea625 authored by Dave Airlie's avatar Dave Airlie Committed by Dave Airlie
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drm: fixup drm bufs being just under the EOM 



If the mapping was just under the end of memory it would fail.
Lets DRM start on my PCI card.

Signed-off-by: default avatarDave Airlie <airlied@linux.ie>
parent f8e0f290

drivers/char/drm/drm_bufs.c

+1 −1
Original line number Diff line number Diff line
@@ -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;