We can not allow the worker to run after its fbdev, or even the module, has been removed.
Fixes: cfe63423d9be ("drm/fb-helper: Add drm_fb_helper_set_suspend_unlocked()") Signed-off-by: Chris Wilson chris@chris-wilson.co.uk Cc: Noralf Trønnes noralf@tronnes.org Cc: Daniel Vetter daniel.vetter@ffwll.ch Cc: Jani Nikula jani.nikula@linux.intel.com Cc: Sean Paul seanpaul@chromium.org Cc: dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org # v4.9+ --- drivers/gpu/drm/drm_fb_helper.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 2d0810c9f3dc..842c461b0b21 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -860,6 +860,7 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) if (!drm_fbdev_emulation) return;
+ cancel_work_sync(&fb_helper->resume_work); cancel_work_sync(&fb_helper->dirty_work);
mutex_lock(&kernel_fb_helper_lock);