[src/trunk]: src/sys/kern Remove spammy kevent failure printf.

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

details:   https://anonhg.NetBSD.org/src/rev/f7c81fa61e42
branches:  trunk
changeset: 357852:f7c81fa61e42
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Thu Nov 30 05:52:40 2017 +0000

description:
Remove spammy kevent failure printf.

Maybe this was once useful for debugging the kernel, but it's just
console spam triggered by buggy or malicious userland programs now.

diffstat:

 sys/kern/kern_event.c |  10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)

diffs (31 lines):

diff -r d3659448896e -r f7c81fa61e42 sys/kern/kern_event.c
--- a/sys/kern/kern_event.c     Thu Nov 30 05:47:24 2017 +0000
+++ b/sys/kern/kern_event.c     Thu Nov 30 05:52:40 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_event.c,v 1.98 2017/11/11 03:58:01 christos Exp $ */
+/*     $NetBSD: kern_event.c,v 1.99 2017/11/30 05:52:40 riastradh Exp $        */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -58,7 +58,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_event.c,v 1.98 2017/11/11 03:58:01 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_event.c,v 1.99 2017/11/30 05:52:40 riastradh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1063,12 +1063,6 @@
                        error = (*kfilter->filtops->f_attach)(kn);
                        KERNEL_UNLOCK_ONE(NULL);        /* XXXSMP */
                        if (error != 0) {
-#ifdef DIAGNOSTIC
-                               printf("%s: event type %d not supported for "
-                                   "file type %d (error %d)\n", __func__,
-                                   kn->kn_filter, kn->kn_obj ?
-                                   ((file_t *)kn->kn_obj)->f_type : -1, error);
-#endif
                                /* knote_detach() drops fdp->fd_lock */
                                knote_detach(kn, fdp, false);
                                goto done;