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Update M_EXT support in m_copypacket().

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PR:		7122
Reviewed by:	phk
Submitted by:	Castor Fu <castor@geocast.com>
Originally forgotten by:	julian
This commit is contained in:
Poul-Henning Kamp 1998-07-03 08:36:48 +00:00
parent 8a507b98ab
commit 3e5e083cb7
1 changed files with 11 additions and 3 deletions
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14
sys/kern/uipc_mbuf.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)uipc_mbuf.c 8.2 (Berkeley) 1/4/94
* $Id: uipc_mbuf.c,v 1.34 1998/02/20 13:37:38 bde Exp $
* $Id: uipc_mbuf.c,v 1.35 1998/06/05 21:41:48 dg Exp $
*/
#include <sys/param.h>
@ -498,7 +498,11 @@ m_copypacket(m, how)
n->m_len = m->m_len;
if (m->m_flags & M_EXT) {
n->m_data = m->m_data;
mclrefcnt[mtocl(m->m_ext.ext_buf)]++;
if(!m->m_ext.ext_ref)
mclrefcnt[mtocl(m->m_ext.ext_buf)]++;
else
(*(m->m_ext.ext_ref))(m->m_ext.ext_buf,
m->m_ext.ext_size);
n->m_ext = m->m_ext;
n->m_flags |= M_EXT;
} else {
@ -517,7 +521,11 @@ m_copypacket(m, how)
n->m_len = m->m_len;
if (m->m_flags & M_EXT) {
n->m_data = m->m_data;
mclrefcnt[mtocl(m->m_ext.ext_buf)]++;
if(!m->m_ext.ext_ref)
mclrefcnt[mtocl(m->m_ext.ext_buf)]++;
else
(*(m->m_ext.ext_ref))(m->m_ext.ext_buf,
m->m_ext.ext_size);
n->m_ext = m->m_ext;
n->m_flags |= M_EXT;
} else {