24 static void vfio_fsl_mc_reflck_get(struct vfio_fsl_mc_reflck *reflck)  in vfio_fsl_mc_reflck_get()  argument
26 	kref_get(&reflck->kref);  in vfio_fsl_mc_reflck_get()
31 	struct vfio_fsl_mc_reflck *reflck = container_of(kref,  in vfio_fsl_mc_reflck_release()  local
35 	mutex_destroy(&reflck->lock);  in vfio_fsl_mc_reflck_release()
36 	kfree(reflck);  in vfio_fsl_mc_reflck_release()
40 static void vfio_fsl_mc_reflck_put(struct vfio_fsl_mc_reflck *reflck)  in vfio_fsl_mc_reflck_put()  argument
42 	kref_put_mutex(&reflck->kref, vfio_fsl_mc_reflck_release, &reflck_lock);  in vfio_fsl_mc_reflck_put()
47 	struct vfio_fsl_mc_reflck *reflck;  in vfio_fsl_mc_reflck_alloc()  local
49 	reflck = kzalloc(sizeof(*reflck), GFP_KERNEL);  in vfio_fsl_mc_reflck_alloc()
50 	if (!reflck)  in vfio_fsl_mc_reflck_alloc()
53 	kref_init(&reflck->kref);  in vfio_fsl_mc_reflck_alloc()
54 	mutex_init(&reflck->lock);  in vfio_fsl_mc_reflck_alloc()
56 	return reflck;  in vfio_fsl_mc_reflck_alloc()
65 		vdev->reflck = vfio_fsl_mc_reflck_alloc();  in vfio_fsl_mc_reflck_attach()
66 		ret = PTR_ERR_OR_ZERO(vdev->reflck);  in vfio_fsl_mc_reflck_attach()
79 		if (!cont_vdev || !cont_vdev->reflck) {  in vfio_fsl_mc_reflck_attach()
84 		vfio_fsl_mc_reflck_get(cont_vdev->reflck);  in vfio_fsl_mc_reflck_attach()
85 		vdev->reflck = cont_vdev->reflck;  in vfio_fsl_mc_reflck_attach()
146 	mutex_lock(&vdev->reflck->lock);  in vfio_fsl_mc_open()
154 	mutex_unlock(&vdev->reflck->lock);  in vfio_fsl_mc_open()
159 	mutex_unlock(&vdev->reflck->lock);  in vfio_fsl_mc_open()
169 	mutex_lock(&vdev->reflck->lock);  in vfio_fsl_mc_release()
195 	mutex_unlock(&vdev->reflck->lock);  in vfio_fsl_mc_release()
658 	vfio_fsl_mc_reflck_put(vdev->reflck);  in vfio_fsl_mc_probe()
677 	vfio_fsl_mc_reflck_put(vdev->reflck);  in vfio_fsl_mc_remove()