third argument in module_param is the sysfs permission not a default
value.  This fixes things for rivafb in 2.6.10-rc2:
Signed-Off-By: Guido Guenther <agx@sigxcpu.org>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>