[src/trunk]: src/sys/miscfs/kernfs Add missing VOP_KQFILTER to kernfs.

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

details:   https://anonhg.NetBSD.org/src/rev/3a5514fa7af9
branches:  trunk
changeset: 984388:3a5514fa7af9
user:      dholland <dholland%NetBSD.org@localhost>
date:      Tue Jul 06 03:22:44 2021 +0000

description:
Add missing VOP_KQFILTER to kernfs.

Not sure if lack of it can be used for local DoS or not, but best to
fix.

diffstat:

 sys/miscfs/kernfs/kernfs_vnops.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r 99d8187067bb -r 3a5514fa7af9 sys/miscfs/kernfs/kernfs_vnops.c
--- a/sys/miscfs/kernfs/kernfs_vnops.c  Tue Jul 06 02:39:46 2021 +0000
+++ b/sys/miscfs/kernfs/kernfs_vnops.c  Tue Jul 06 03:22:44 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kernfs_vnops.c,v 1.168 2021/06/29 22:34:08 dholland Exp $      */
+/*     $NetBSD: kernfs_vnops.c,v 1.169 2021/07/06 03:22:44 dholland Exp $      */
 
 /*
  * Copyright (c) 1992, 1993
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kernfs_vnops.c,v 1.168 2021/06/29 22:34:08 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kernfs_vnops.c,v 1.169 2021/07/06 03:22:44 dholland Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -199,6 +199,7 @@
        { &vop_fcntl_desc, kernfs_fcntl },              /* fcntl */
        { &vop_ioctl_desc, kernfs_ioctl },              /* ioctl */
        { &vop_poll_desc, kernfs_poll },                /* poll */
+       { &vop_kqfilter_desc, genfs_kqfilter },         /* kqfilter */
        { &vop_revoke_desc, kernfs_revoke },            /* revoke */
        { &vop_fsync_desc, kernfs_fsync },              /* fsync */
        { &vop_seek_desc, kernfs_seek },                /* seek */
@@ -249,6 +250,7 @@
        { &vop_fcntl_desc, spec_fcntl },                /* fcntl */
        { &vop_ioctl_desc, spec_ioctl },                /* ioctl */
        { &vop_poll_desc, spec_poll },                  /* poll */
+       { &vop_kqfilter_desc, genfs_kqfilter },         /* kqfilter */
        { &vop_revoke_desc, spec_revoke },              /* revoke */
        { &vop_fsync_desc, spec_fsync },                /* fsync */
        { &vop_seek_desc, spec_seek },                  /* seek */