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npfctl_bpf_cidr: another buf fix in handling IPv6 masks (bug found on ARM).

This commit is contained in:
rmind 2014-03-15 08:46:01 +00:00
parent 609ba481a5
commit f1567f86d3
1 changed files with 3 additions and 3 deletions
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6
usr.sbin/npf/npfctl/npf_bpf_comp.c
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@ -1,4 +1,4 @@
/* $NetBSD: npf_bpf_comp.c,v 1.3 2014/02/13 00:42:01 rmind Exp $ */
/* $NetBSD: npf_bpf_comp.c,v 1.4 2014/03/15 08:46:01 rmind Exp $ */
/*-
* Copyright (c) 2010-2013 The NetBSD Foundation, Inc.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: npf_bpf_comp.c,v 1.3 2014/02/13 00:42:01 rmind Exp $");
__RCSID("$NetBSD: npf_bpf_comp.c,v 1.4 2014/03/15 08:46:01 rmind Exp $");
#include <stdlib.h>
#include <stdbool.h>
@ -421,7 +421,7 @@ npfctl_bpf_cidr(npf_bpf_t *ctx, u_int opts, sa_family_t af,
wordmask = 0;
length -= 32;
} else if (length) {
wordmask = 0xffffffff << (maxmask - length);
wordmask = 0xffffffff << (32 - length);
length = 0;
} else {
/* The mask became zero - skip the rest. */