Remove redundant "kq == kn->kn_kq" checks. The lists kq_knhash and

kq_knlist are dedicated to a single kqueue instance, which makes
the filtering by kn_kq unnecessary.

OK kettenis@, mpi@

diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index 8ee92e8..c141f2a 100644 (file)
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: kern_event.c,v 1.95 2018/08/07 12:38:15 visa Exp $    */
+/*     $OpenBSD: kern_event.c,v 1.96 2018/08/09 15:02:45 visa Exp $    */
 
 /*-
  * Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org>
@@ -590,8 +590,7 @@ kqueue_register(struct kqueue *kq, struct kevent *kev, struct proc *p)
 
                if (kev->ident < kq->kq_knlistsize) {
                        SLIST_FOREACH(kn, &kq->kq_knlist[kev->ident], kn_link) {
-                               if (kq == kn->kn_kq &&
-                                   kev->filter == kn->kn_filter)
+                               if (kev->filter == kn->kn_filter)
                                        break;
                        }
                }
@@ -603,7 +602,6 @@ kqueue_register(struct kqueue *kq, struct kevent *kev, struct proc *p)
                            KN_HASH((u_long)kev->ident, kq->kq_knhashmask)];
                        SLIST_FOREACH(kn, list, kn_link) {
                                if (kev->ident == kn->kn_id &&
-                                   kq == kn->kn_kq &&
                                    kev->filter == kn->kn_filter)
                                        break;
                        }