Module Name: src
Committed By: nat
Date: Mon Apr 27 23:05:31 UTC 2020
Modified Files:
src/sys/net: pfil.c
Log Message:
Skip pfil_run_hooks if no packet filter configured in kernel.
To generate a diff of this commit:
cvs rdiff -u -r1.36 -r1.37 src/sys/net/pfil.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/net/pfil.c
diff -u src/sys/net/pfil.c:1.36 src/sys/net/pfil.c:1.37
--- src/sys/net/pfil.c:1.36 Sat Feb 1 02:54:31 2020
+++ src/sys/net/pfil.c Mon Apr 27 23:05:31 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: pfil.c,v 1.36 2020/02/01 02:54:31 riastradh Exp $ */
+/* $NetBSD: pfil.c,v 1.37 2020/04/27 23:05:31 nat Exp $ */
/*
* Copyright (c) 2013 Mindaugas Rasiukevicius <rmind at NetBSD org>
@@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pfil.c,v 1.36 2020/02/01 02:54:31 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pfil.c,v 1.37 2020/04/27 23:05:31 nat Exp $");
#if defined(_KERNEL_OPT)
#include "opt_net_mpsafe.h"
@@ -398,6 +398,11 @@ pfil_run_hooks(pfil_head_t *ph, struct m
int ret = 0;
KASSERT(dir == PFIL_IN || dir == PFIL_OUT);
+
+ if (__predict_false(ph == NULL)) {
+ return ret;
+ }
+
if (__predict_false((phlistset = pfil_hook_get(dir, ph)) == NULL)) {
return ret;
}
