gpu: nvgpu: validate error notifier offset

Make sure that the notifier object fits within the supplied buffer.

Bug:27299111

Change-Id: I713574ce797ffc23cec10b5114f469dbadc68f1e
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
(cherry picked from commit 4010a428995b209f9442f9e2731baa4d1ba5eb42)
1 file changed