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the packet header is at the start of the mbuf chain, not the end.

This commit is contained in:
deraadt 1994-04-14 21:34:17 +00:00
parent 092d94c85b
commit 0f8b2efbad
1 changed files with 4 additions and 3 deletions
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7
sys/kern/uipc_mbuf.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)uipc_mbuf.c 7.19 (Berkeley) 4/20/91
* $Id: uipc_mbuf.c,v 1.7 1994/01/08 05:32:20 mycroft Exp $
* $Id: uipc_mbuf.c,v 1.8 1994/04/14 21:34:17 deraadt Exp $
*/
#include <sys/param.h>
@ -380,6 +380,7 @@ m_cat(m, n)
m_adj(mp, req_len)
struct mbuf *mp;
int req_len;
{
register int len = req_len;
register struct mbuf *m;
@ -423,8 +424,8 @@ m_adj(mp, req_len)
}
if (m->m_len >= len) {
m->m_len -= len;
if ((mp = m)->m_flags & M_PKTHDR)
m->m_pkthdr.len -= len;
if (mp->m_flags & M_PKTHDR)
mp->m_pkthdr.len -= len;
return;
}
count -= len;