commit 9b00147d9f2ba137ce74b66b768a8312be0b6781
author Alex Deucher <alexander.deucher@amd.com> Wed May 30 10:09:30 2012 -0400
committer Dave Airlie <airlied@redhat.com> Fri Jun 01 17:00:21 2012 +0100
tree bc37f50072056deb5bfa586db8aeae67cd20afcf
parent 0824db38e515644f8d1bfd64adbd7cb2c6ea7c62

drm/radeon: fix regression in UMS CS ioctl

radeon_cs_parser_init is called by both the legacy UMS
CS ioctl and the KMS CS ioctl.  Protect KMS specific
pieces of the code by checking that rdev is not NULL.

Reported-by: Michael Burian <michael.burian@sbg.at>

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>