tree d162a424ad975352f7005bd33b084ad7acae19fa
parent 2a7d3d6d5ddbd202c09f228829cd03609a8efb23
author Thierry Reding <treding@nvidia.com> 1439391630 +0200
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1439393987 +0200

drm/irq: Check for valid VBLANK before dereference

When accessing the array of per-CRTC VBLANK structures we must always
check that the index into the array is valid before dereferencing to
avoid crashing.

Signed-off-by: Thierry Reding <treding@nvidia.com>
[danvet: Squash in my own whitespace ocd fixup in drm_vblank_count.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>