Module Name: src
Committed By: maxv
Date: Thu Sep 12 07:38:19 UTC 2019
Modified Files:
src/sys/net: bpf.c
Log Message:
Add KASSERT to catch bugs. Something tells me it could easily fire.
To generate a diff of this commit:
cvs rdiff -u -r1.229 -r1.230 src/sys/net/bpf.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/bpf.c
diff -u src/sys/net/bpf.c:1.229 src/sys/net/bpf.c:1.230
--- src/sys/net/bpf.c:1.229 Wed Jul 10 17:55:33 2019
+++ src/sys/net/bpf.c Thu Sep 12 07:38:19 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: bpf.c,v 1.229 2019/07/10 17:55:33 maxv Exp $ */
+/* $NetBSD: bpf.c,v 1.230 2019/09/12 07:38:19 maxv Exp $ */
/*
* Copyright (c) 1990, 1991, 1993
@@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.229 2019/07/10 17:55:33 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf.c,v 1.230 2019/09/12 07:38:19 maxv Exp $");
#if defined(_KERNEL_OPT)
#include "opt_bpf.h"
@@ -1680,6 +1680,7 @@ _bpf_mtap(struct bpf_if *bp, struct mbuf
cpfn = (void *)memcpy;
marg = mtod(m, void *);
buflen = pktlen;
+ KASSERT(buflen != 0);
} else {
cpfn = bpf_mcpy;
marg = m;
