AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

drm: fixup drm bufs being just under the EOM

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

Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Dave Airlie 2006-01-11 20:48:09 +11:00 committed by Dave Airlie
parent f8e0f2905b
commit 8d2ea62581
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/char/drm/drm_bufs.c
View File

@ -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;