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OpenCloudOS-Kernel
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drm: ioremap return value checks 

Signed-off-by: Scott Thompson <postfail <at> hushmail.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Scott Thompson 2007-08-25 18:17:49 +10:00 committed by Dave Airlie
parent 22c806c23f
commit 0769d39c99
1 changed files with 7 additions and 1 deletions
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8
drivers/char/drm/drm_bufs.c
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@ -177,8 +177,14 @@ static int drm_addmap_core(struct drm_device * dev, unsigned int offset,
MTRR_TYPE_WRCOMB, 1);
}
}
if (map->type == _DRM_REGISTERS)
if (map->type == _DRM_REGISTERS) {
map->handle = ioremap(map->offset, map->size);
if (!map->handle) {
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -ENOMEM;
}
}
break;
case _DRM_SHM:
list = drm_find_matching_map(dev, map);