tree 0e5bf395d8c53fcfaf0790b417666a8dabae8a8e
parent f505380ba7b98ec97bf25300c2a58aeae903530b
author Dave Airlie <airlied@starflyer.(none)> 1125919403 +1000
committer Dave Airlie <airlied@linux.ie> 1125919403 +1000

drm: fix issue with handle lookup for a 0 handle

On 32-bit PPC a 0 handle is valid for AGP space, the 32/64 lookup
doesn't handle 0 correctly.

From: Ben Herrenschmidt <benh@kernel.crashing.org> and Paul Mackerras <paulus@samba.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>