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rip6_output: redo the previous (raw_ip6.c 1.66) 

with less assumptions about alignment.
This commit is contained in:
yamt 2004-07-23 09:53:10 +00:00
parent 2e259b9bf3
commit e08729e055
1 changed files with 6 additions and 4 deletions
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10
sys/netinet6/raw_ip6.c
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@ -1,4 +1,4 @@
/* $NetBSD: raw_ip6.c,v 1.66 2004/07/22 05:26:46 yamt Exp $ */
/* $NetBSD: raw_ip6.c,v 1.67 2004/07/23 09:53:10 yamt Exp $ */
/* $KAME: raw_ip6.c,v 1.82 2001/07/23 18:57:56 jinmei Exp $ */
/*
@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: raw_ip6.c,v 1.66 2004/07/22 05:26:46 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: raw_ip6.c,v 1.67 2004/07/23 09:53:10 yamt Exp $");
#include "opt_ipsec.h"
@ -482,6 +482,7 @@ rip6_output(m, va_alist)
struct mbuf *n;
int off;
u_int16_t *sump;
u_int16_t sum;
int sumoff;
/* compute checksum */
@ -502,8 +503,9 @@ rip6_output(m, va_alist)
goto bad;
}
sump = (u_int16_t *)(mtod(n, caddr_t) + sumoff);
*sump = 0;
*sump = in6_cksum(m, ip6->ip6_nxt, sizeof(*ip6), plen);
memset(sump, 0, sizeof(*sump));
sum = in6_cksum(m, ip6->ip6_nxt, sizeof(*ip6), plen);
memcpy(sump, &sum, sizeof(*sump));
}
flags = 0;