| uipc_mbuf.c (81908) | uipc_mbuf.c (87594) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)uipc_mbuf.c 8.2 (Berkeley) 1/4/94 | 1/* 2 * Copyright (c) 1982, 1986, 1988, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)uipc_mbuf.c 8.2 (Berkeley) 1/4/94 |
| 34 * $FreeBSD: head/sys/kern/uipc_mbuf.c 81907 2001-08-19 04:30:13Z julian $ | 34 * $FreeBSD: head/sys/kern/uipc_mbuf.c 87594 2001-12-10 05:51:45Z obrien $ |
| 35 */ 36 37#include "opt_param.h" 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/kernel.h> 41#include <sys/lock.h> 42#include <sys/malloc.h> --- 293 unchanged lines hidden (view full) --- 336m_dup(struct mbuf *m, int how) 337{ 338 struct mbuf **p, *top = NULL; 339 int remain, moff, nsize; 340 341 /* Sanity check */ 342 if (m == NULL) 343 return (NULL); | 35 */ 36 37#include "opt_param.h" 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/kernel.h> 41#include <sys/lock.h> 42#include <sys/malloc.h> --- 293 unchanged lines hidden (view full) --- 336m_dup(struct mbuf *m, int how) 337{ 338 struct mbuf **p, *top = NULL; 339 int remain, moff, nsize; 340 341 /* Sanity check */ 342 if (m == NULL) 343 return (NULL); |
| 344 KASSERT((m->m_flags & M_PKTHDR) != 0, ("%s: !PKTHDR", __FUNCTION__)); | 344 KASSERT((m->m_flags & M_PKTHDR) != 0, ("%s: !PKTHDR", __func__)); |
| 345 346 /* While there's more data, get a new mbuf, tack it on, and fill it */ 347 remain = m->m_pkthdr.len; 348 moff = 0; 349 p = ⊤ 350 while (remain > 0 || top == NULL) { /* allow m->m_pkthdr.len == 0 */ 351 struct mbuf *n; 352 --- 31 unchanged lines hidden (view full) --- 384 if (moff == m->m_len) { 385 m = m->m_next; 386 moff = 0; 387 } 388 } 389 390 /* Check correct total mbuf length */ 391 KASSERT((remain > 0 && m != NULL) || (remain == 0 && m == NULL), | 345 346 /* While there's more data, get a new mbuf, tack it on, and fill it */ 347 remain = m->m_pkthdr.len; 348 moff = 0; 349 p = ⊤ 350 while (remain > 0 || top == NULL) { /* allow m->m_pkthdr.len == 0 */ 351 struct mbuf *n; 352 --- 31 unchanged lines hidden (view full) --- 384 if (moff == m->m_len) { 385 m = m->m_next; 386 moff = 0; 387 } 388 } 389 390 /* Check correct total mbuf length */ 391 KASSERT((remain > 0 && m != NULL) || (remain == 0 && m == NULL), |
| 392 ("%s: bogus m_pkthdr.len", __FUNCTION__)); | 392 ("%s: bogus m_pkthdr.len", __func__)); |
| 393 } 394 return (top); 395 396nospace: 397 m_freem(top); 398 mbstat.m_mcfail++; /* XXX: No consistency. */ 399 return (NULL); 400} --- 352 unchanged lines hidden --- | 393 } 394 return (top); 395 396nospace: 397 m_freem(top); 398 mbstat.m_mcfail++; /* XXX: No consistency. */ 399 return (NULL); 400} --- 352 unchanged lines hidden --- |