--- //depot/user/pjd/capsicum/sys/kern/kern_event.c	2013-09-18 22:37:19.000000000 0000
+++ /usr/home/pjd/p4/capsicum/sys/kern/kern_event.c	2013-09-18 22:37:19.000000000 0000
@@ -827,10 +827,17 @@
 	cap_rights_t rights;
 	int i, n, nerrors, error;
 
-	error = fget(td, fd, cap_rights_init(&rights, CAP_POST_EVENT), &fp);
+	cap_rights_init(&rights);
+	if (nchanges > 0)
+		cap_rights_set(&rights, CAP_POST_EVENT);
+	if (nevents > 0)
+		cap_rights_set(&rights, CAP_POLL_EVENT);
+	error = fget(td, fd, &rights, &fp);
 	if (error != 0)
 		return (error);
-	if ((error = kqueue_acquire(fp, &kq)) != 0)
+
+	error = kqueue_acquire(fp, &kq);
+	if (error != 0)
 		goto done_norel;
 
 	nerrors = 0;