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Implement ZERO_COPY_SOCKETS check in a way that doesn't make LINT unhappy

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This commit is contained in:
Kip Macy 2007-04-15 04:55:39 +00:00
parent 2a5449a7ca
commit 52c81add3c
1 changed files with 6 additions and 5 deletions
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11
sys/dev/cxgb/sys/uipc_mvec.c
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@ -42,11 +42,7 @@ __FBSDID("$FreeBSD$");
#include <machine/bus.h>
#include <dev/cxgb/sys/mvec.h>
#include "opt_zero.h"
#ifdef ZERO_COPY_SOCKETS
#error "ZERO_COPY_SOCKETS not supported with mvec"
#endif
#ifdef DEBUG
#define DPRINTF printf
@ -161,10 +157,15 @@ m_vectorize(struct mbuf *m, int max, struct mbuf **vec, int *count)
for (i = 0; i < max; i++) {
if (m == NULL)
break;
#ifndef PACKET_ZONE_DISABLED
#ifndef MBUF_PACKET_ZONE_DISABLE
if ((m->m_flags & M_EXT) && (m->m_ext.ext_type == EXT_PACKET))
return (EINVAL);
#endif
#ifdef ZERO_COPY_SOCKETS
if ((m->m_flags & M_EXT) && (m->m_ext.ext_type == EXT_SFBUF))
return (EINVAL);
#endif
if (m->m_len == 0)
DPRINTF("m=%p is len=0\n", m);
M_SANITY(m, 0);