tree 00b52737a745b4facd3c59e92963ff5c25e2a7d7
parent 797fd5b9dad12a100c81b5782573a41259728cb1
author Robert Fitzsimons <robfitz@273k.net> 1272068293 +0100
committer Dave Airlie <airlied@redhat.com> 1272439370 +1000

drm/radeon/kms/agp The wrong AGP chipset can cause a NULL pointer dereference

Selecting the wrong or no CONFIG_AGP_* chipset can cause a NULL pointer
dereference when combined with CONFIG_DRM_RADEON_KMS and an old system
with a R100 AGP card (should effect other cards too).  The agp field
will be set to NULL if no suitable AGP chipset driver is loaded,
drm_agp_acquire already preforms a suitable NULL check so it can be used
directly.

Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>