[PATCH 1/2] drm: Don't call drm_for_each_crtc with a non-KMS driver

From: Michel Dänzer Fixes oops if userspace calls DRM_IOCTL_GET_CAP for DRM_CAP_PAGE_FLIP_TARGET on a non-KMS device node. (Normal userspace doesn't do that, discovered by syzkaller) Reported-by: Dmitry Vyukov Fixes: f837297ad824 ("drm: Add DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE/RELATIVE flags v

[PATCH 1/2] drm: Don't call drm_for_each_crtc with a non-KMS driver

On Wed, Nov 30, 2016 at 05:30:01PM +0900, Michel Dänzer wrote: > From: Michel Dänzer > > Fixes oops if userspace calls DRM_IOCTL_GET_CAP for > DRM_CAP_PAGE_FLIP_TARGET on a non-KMS device node. (Normal userspace > doesn't do that, discovered by syzkaller) > > Reported-by: Dmitry Vyukov > Fix