diff options
Diffstat (limited to 'sys/kern/uipc_mbuf2.c')
| -rw-r--r-- | sys/kern/uipc_mbuf2.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/kern/uipc_mbuf2.c b/sys/kern/uipc_mbuf2.c index d763a25c020..4dc69d117f3 100644 --- a/sys/kern/uipc_mbuf2.c +++ b/sys/kern/uipc_mbuf2.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uipc_mbuf2.c,v 1.21 2003/06/02 23:28:06 millert Exp $ */ +/* $OpenBSD: uipc_mbuf2.c,v 1.22 2004/07/22 09:33:21 itojun Exp $ */ /* $KAME: uipc_mbuf2.c,v 1.29 2001/02/14 13:42:10 itojun Exp $ */ /* $NetBSD: uipc_mbuf.c,v 1.40 1999/04/01 00:23:25 thorpej Exp $ */ @@ -130,15 +130,19 @@ m_pulldown(m, off, len, offp) * chop the current mbuf into two pieces, set off to 0. */ if (len <= n->m_len - off) { + struct mbuf *mlast; + o = m_dup1(n, off, n->m_len - off, M_DONTWAIT); if (o == NULL) { m_freem(m); return (NULL); /* ENOBUFS */ } + for (mlast = o; mlast->m_next != NULL; mlast = mlast->m_next) + ; n->m_len = off; - o->m_next = n->m_next; + mlast->m_next = n->m_next; n->m_next = o; - n = n->m_next; + n = o; off = 0; goto ok; } |