drm/nouveau/secboot: fix NULL pointer dereference

The msgqueue pointer validity should be checked by its owner, not by the
msgqueue code itself to avoid this situation.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Dave Airlie <airlied@redhat.com>
3 files changed