From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Sprinkle some extra WARNs around so that we might catch premature framebuffer destruction more readily. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/drm_framebuffer.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c index 3cc0ffc28e86..888aadb6a4ac 100644 --- a/drivers/gpu/drm/drm_framebuffer.c +++ b/drivers/gpu/drm/drm_framebuffer.c @@ -461,6 +461,7 @@ int drm_mode_rmfb(struct drm_device *dev, u32 fb_id, INIT_WORK_ONSTACK(&arg.work, drm_mode_rmfb_work_fn); INIT_LIST_HEAD(&arg.fbs); + drm_WARN_ON(dev, !list_empty(&fb->filp_head)); list_add_tail(&fb->filp_head, &arg.fbs); schedule_work(&arg.work); @@ -827,6 +828,8 @@ void drm_framebuffer_free(struct kref *kref) container_of(kref, struct drm_framebuffer, base.refcount); struct drm_device *dev = fb->dev; + drm_WARN_ON(dev, !list_empty(&fb->filp_head)); + /* * The lookup idr holds a weak reference, which has not necessarily been * removed at this point. Check for that. @@ -1119,7 +1122,7 @@ void drm_framebuffer_remove(struct drm_framebuffer *fb) dev = fb->dev; - WARN_ON(!list_empty(&fb->filp_head)); + drm_WARN_ON(dev, !list_empty(&fb->filp_head)); /* * drm ABI mandates that we remove any deleted framebuffers from active -- 2.41.0
