xnu-201.tar.gz

[apple/xnu.git] / bsd / kern / uipc_mbuf.c

diff --git a/bsd/kern/uipc_mbuf.c b/bsd/kern/uipc_mbuf.c
index a3ab82cc75864978382e759cece6df063f574845..7f7250d3cb8c9d9ce171dd2231546ce05fbb99c7 100644 (file)
--- a/bsd/kern/uipc_mbuf.c
+++ b/bsd/kern/uipc_mbuf.c
@@ -461,6 +461,8 @@ m_getpacket(void)
                 m->m_data = m->m_ext.ext_buf;
                 m->m_flags = M_PKTHDR | M_EXT;
                 m->m_pkthdr.aux = (struct mbuf *)NULL;
+                m->m_pkthdr.csum_data  = 0;
+                m->m_pkthdr.csum_flags = 0;
                 m->m_ext.ext_size = MCLBYTES;
                 m->m_ext.ext_refs.forward = m->m_ext.ext_refs.backward =
                      &m->m_ext.ext_refs;
@@ -955,11 +957,10 @@ m_split(m0, len0, wait)
 extpacket:
        if (m->m_flags & M_EXT) {
                n->m_flags |= M_EXT;
-               n->m_ext = m->m_ext;
                MBUF_LOCK();
-               mclrefcnt[mtocl(m->m_ext.ext_buf)]++;
+               n->m_ext = m->m_ext;
+                insque((queue_t)&n->m_ext.ext_refs, (queue_t)&m->m_ext.ext_refs);
                MBUF_UNLOCK();
-               m->m_ext.ext_size = 0; /* For Accounting XXXXXX danger */
                n->m_data = m->m_data + len;
        } else {
                bcopy(mtod(m, caddr_t) + len, mtod(n, caddr_t), remain);