Index: linux_reservation.c
===================================================================
RCS file: /cvsroot/src/sys/external/bsd/drm2/linux/linux_reservation.c,v
retrieving revision 1.13
diff -p -p -u -r1.13 linux_reservation.c
--- linux_reservation.c	2 Aug 2021 20:20:54 -0000	1.13
+++ linux_reservation.c	2 Aug 2021 20:27:03 -0000
@@ -1003,6 +1003,7 @@ top:
 		 * assume the event is not ready.
 		 */
 		if (!claimed || callback) {
+			fence_put(fence);
 			revents = 0;
 			break;
 		}