@@ -972,7 +972,7 @@ static void armada_drm_crtc_destroy(struct drm_crtc *crtc)
struct armada_private *priv = crtc->dev->dev_private;
if (dcrtc->cursor_obj)
- drm_gem_object_unreference(&dcrtc->cursor_obj->obj);
+ drm_gem_object_unreference_unlocked(&dcrtc->cursor_obj->obj);
priv->dcrtc[dcrtc->num] = NULL;
drm_crtc_cleanup(&dcrtc->crtc);
@@ -352,13 +352,13 @@ int armada_gem_mmap_ioctl(struct drm_device *dev, void *data,
return -ENOENT;
if (!dobj->obj.filp) {
- drm_gem_object_unreference(&dobj->obj);
+ drm_gem_object_unreference_unlocked(&dobj->obj);
return -EINVAL;
}
addr = vm_mmap(dobj->obj.filp, 0, args->size, PROT_READ | PROT_WRITE,
MAP_SHARED, args->offset);
- drm_gem_object_unreference(&dobj->obj);
+ drm_gem_object_unreference_unlocked(&dobj->obj);
if (IS_ERR_VALUE(addr))
return addr;
For drm_gem_object_unreference callers are required to hold dev->struct_mutex, which these paths don't. Enforcing this requirement has become a bit more strict with commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Thu Oct 15 09:36:25 2015 +0200 drm/gem: Check locking in drm_gem_object_unreference Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> --- drivers/gpu/drm/armada/armada_crtc.c | 2 +- drivers/gpu/drm/armada/armada_gem.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)