[src/trunk]: src/sys/kern In kqueue_kqfilter(), return EINVAL instead of 1 if...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4752f98e2341
branches:  trunk
changeset: 1023826:4752f98e2341
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sun Sep 26 23:37:40 2021 +0000

description:
In kqueue_kqfilter(), return EINVAL instead of 1 if something other than
EVFILT_READ was requested.

diffstat:

 sys/kern/kern_event.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r ea13c2dc5851 -r 4752f98e2341 sys/kern/kern_event.c
--- a/sys/kern/kern_event.c     Sun Sep 26 23:34:46 2021 +0000
+++ b/sys/kern/kern_event.c     Sun Sep 26 23:37:40 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_event.c,v 1.125 2021/09/26 23:34:46 thorpej Exp $ */
+/*     $NetBSD: kern_event.c,v 1.126 2021/09/26 23:37:40 thorpej Exp $ */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -59,7 +59,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_event.c,v 1.125 2021/09/26 23:34:46 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_event.c,v 1.126 2021/09/26 23:37:40 thorpej Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1834,7 +1834,7 @@
        KASSERT(fp == kn->kn_obj);
 
        if (kn->kn_filter != EVFILT_READ)
-               return 1;
+               return EINVAL;
 
        kn->kn_fop = &kqread_filtops;
        mutex_enter(&kq->kq_lock);