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Use M_READONLY() rathern than a home-grown M_SHAREDCLUSTER().

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This commit is contained in:
thorpej 2002-04-28 00:53:34 +00:00
parent c0bca8554c
commit 143be0a01b
1 changed files with 3 additions and 7 deletions
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10
sys/kern/uipc_mbuf2.c
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@ -1,4 +1,4 @@
/* $NetBSD: uipc_mbuf2.c,v 1.8 2001/11/12 15:25:31 lukem Exp $ */
/* $NetBSD: uipc_mbuf2.c,v 1.9 2002/04/28 00:53:34 thorpej Exp $ */
/* $KAME: uipc_mbuf2.c,v 1.29 2001/02/14 13:42:10 itojun Exp $ */
/*
@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uipc_mbuf2.c,v 1.8 2001/11/12 15:25:31 lukem Exp $");
__KERNEL_RCSID(0, "$NetBSD: uipc_mbuf2.c,v 1.9 2002/04/28 00:53:34 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -74,10 +74,6 @@ __KERNEL_RCSID(0, "$NetBSD: uipc_mbuf2.c,v 1.8 2001/11/12 15:25:31 lukem Exp $")
#include <sys/malloc.h>
#include <sys/mbuf.h>
#define M_SHAREDCLUSTER(m) \
(((m)->m_flags & M_EXT) != 0 && \
((m)->m_ext.ext_free || MCLISREFERENCED((m))))
/*
* ensure that [off, off + len) is contiguous on the mbuf chain "m".
* packet chain before "off" is kept untouched.
@ -121,7 +117,7 @@ m_pulldown(m, off, len, offp)
return NULL; /* mbuf chain too short */
}
sharedcluster = M_SHAREDCLUSTER(n);
sharedcluster = M_READONLY(n);
/*
* the target data is on <n, off>.