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[src/trunk]: src/sys/kern In knote(), don't call kn->kn_fop->f_event() direct...
details: https://anonhg.NetBSD.org/src/rev/724eb87e9567
branches: trunk
changeset: 987499:724eb87e9567
user: thorpej <thorpej%NetBSD.org@localhost>
date: Thu Sep 30 01:12:06 2021 +0000
description:
In knote(), don't call kn->kn_fop->f_event() directly; use filter_event()
to get the correct KERNEL_LOCK handling for the filter attached to that
specific note.
diffstat:
sys/kern/kern_event.c | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)
diffs (31 lines):
diff -r 4f28baa290be -r 724eb87e9567 sys/kern/kern_event.c
--- a/sys/kern/kern_event.c Wed Sep 29 15:17:01 2021 +0000
+++ b/sys/kern/kern_event.c Thu Sep 30 01:12:06 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_event.c,v 1.126 2021/09/26 23:37:40 thorpej Exp $ */
+/* $NetBSD: kern_event.c,v 1.127 2021/09/30 01:12:06 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 1.126 2021/09/26 23:37:40 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_event.c,v 1.127 2021/09/30 01:12:06 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -1856,10 +1856,9 @@
struct knote *kn, *tmpkn;
SLIST_FOREACH_SAFE(kn, list, kn_selnext, tmpkn) {
- KASSERT(kn->kn_fop != NULL);
- KASSERT(kn->kn_fop->f_event != NULL);
- if ((*kn->kn_fop->f_event)(kn, hint))
+ if (filter_event(kn, hint)) {
knote_activate(kn);
+ }
}
}
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