get rid of the copy argument in m_devget that let you provide an

alternative to bcopy since noone uses it.

while there use memcpy instead of bcopy because we know the memory cannot
overlap.

ok henning@ matthew@ mikeb@ deraadt@

21 files changed, 45 insertions, 54 deletions

diff --git a/sys/arch/sparc/dev/hme.c b/sys/arch/sparc/dev/hme.c
index fbe9f57f20c..b9dab909d29 100644
--- a/sys/arch/sparc/dev/hme.c
+++ b/sys/arch/sparc/dev/hme.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: hme.c,v 1.62 2009/08/13 17:01:31 phessler Exp $	*/
+/*	$OpenBSD: hme.c,v 1.63 2013/08/21 05:21:42 dlg Exp $	*/
 
 /*
  * Copyright (c) 1998 Jason L. Wright (jason@thought.net)
@@ -938,7 +938,7 @@ hme_read(sc, idx, len, flags)
 
 	/* Pull packet off interface. */
 	m = m_devget(sc->sc_bufs->rx_buf[idx] + HME_RX_OFFSET, len,
-	    HME_RX_OFFSET, &sc->sc_arpcom.ac_if, NULL);
+	    HME_RX_OFFSET, &sc->sc_arpcom.ac_if);
 	if (m == NULL) {
 		ifp->if_ierrors++;
 		return;
diff --git a/sys/arch/sparc64/dev/vnet.c b/sys/arch/sparc64/dev/vnet.c
index 614c137ff3e..007f60b4343 100644
--- a/sys/arch/sparc64/dev/vnet.c
+++ b/sys/arch/sparc64/dev/vnet.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vnet.c,v 1.28 2012/12/07 21:56:06 kettenis Exp $	*/
+/*	$OpenBSD: vnet.c,v 1.29 2013/08/21 05:21:42 dlg Exp $	*/
 /*
  * Copyright (c) 2009 Mark Kettenis
  *
@@ -719,7 +719,7 @@ vnet_rx_vio_desc_data(struct vnet_softc *sc, struct vio_msg_tag *tag)
 		}
 
 		/* Stupid OBP doesn't align properly. */
-                m = m_devget(buf, dm->nbytes, ETHER_ALIGN, ifp, NULL);
+                m = m_devget(buf, dm->nbytes, ETHER_ALIGN, ifp);
 		pool_put(&sc->sc_pool, buf);
 		if (m == NULL) {
 			ifp->if_ierrors++;
diff --git a/sys/dev/ic/dc.c b/sys/dev/ic/dc.c
index ea1f251b3cc..4bf3b26a21e 100644
--- a/sys/dev/ic/dc.c
+++ b/sys/dev/ic/dc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dc.c,v 1.126 2013/08/07 01:06:29 bluhm Exp $	*/
+/*	$OpenBSD: dc.c,v 1.127 2013/08/21 05:21:43 dlg Exp $	*/
 
 /*
  * Copyright (c) 1997, 1998, 1999
@@ -2185,8 +2185,7 @@ dc_rxeof(struct dc_softc *sc)
 		total_len -= ETHER_CRC_LEN;
 
 		m->m_pkthdr.rcvif = ifp;
-		m0 = m_devget(mtod(m, char *), total_len, ETHER_ALIGN,
-		    ifp, NULL);
+		m0 = m_devget(mtod(m, char *), total_len, ETHER_ALIGN, ifp);
 		dc_newbuf(sc, i, m);
 		DC_INC(i, DC_RX_LIST_CNT);
 		if (m0 == NULL) {
diff --git a/sys/dev/ic/mtd8xx.c b/sys/dev/ic/mtd8xx.c
index 5e416f2fc8c..add477fefc5 100644
--- a/sys/dev/ic/mtd8xx.c
+++ b/sys/dev/ic/mtd8xx.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mtd8xx.c,v 1.19 2012/11/29 21:10:32 brad Exp $	*/
+/*	$OpenBSD: mtd8xx.c,v 1.20 2013/08/21 05:21:43 dlg Exp $	*/
 
 /*
  * Copyright (c) 2003 Oleg Safiullin <form@pdp11.org.ru>
@@ -926,8 +926,7 @@ mtd_rxeof(struct mtd_softc *sc)
 		    0, sc->mtd_cdata.mtd_rx_chain[i].sd_map->dm_mapsize,
 		    BUS_DMASYNC_POSTREAD);
 
-		m0 = m_devget(mtod(m, char *), total_len,  ETHER_ALIGN,
-		    ifp, NULL);
+		m0 = m_devget(mtod(m, char *), total_len,  ETHER_ALIGN, ifp);
 		mtd_newbuf(sc, i, m);
 		i = (i + 1) % MTD_RX_LIST_CNT;
 		if (m0 == NULL) {
diff --git a/sys/dev/ic/rtl81x9.c b/sys/dev/ic/rtl81x9.c
index 6beb7559ad1..ea3430b3d65 100644
--- a/sys/dev/ic/rtl81x9.c
+++ b/sys/dev/ic/rtl81x9.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rtl81x9.c,v 1.78 2013/08/07 01:06:31 bluhm Exp $ */
+/*	$OpenBSD: rtl81x9.c,v 1.79 2013/08/21 05:21:43 dlg Exp $ */
 
 /*
  * Copyright (c) 1997, 1998
@@ -650,7 +650,7 @@ rl_rxeof(struct rl_softc *sc)
 		wrap = (sc->rl_cdata.rl_rx_buf + RL_RXBUFLEN) - rxbufpos;
 
 		if (total_len > wrap) {
-			m = m_devget(rxbufpos, wrap, ETHER_ALIGN, ifp, NULL);
+			m = m_devget(rxbufpos, wrap, ETHER_ALIGN, ifp);
 			if (m != NULL) {
 				m_copyback(m, wrap, total_len - wrap,
 				    sc->rl_cdata.rl_rx_buf, M_NOWAIT);
@@ -661,8 +661,7 @@ rl_rxeof(struct rl_softc *sc)
 			}
 			cur_rx = (total_len - wrap + ETHER_CRC_LEN);
 		} else {
-			m = m_devget(rxbufpos, total_len, ETHER_ALIGN, ifp,
-			    NULL);
+			m = m_devget(rxbufpos, total_len, ETHER_ALIGN, ifp);
 			cur_rx += total_len + 4 + ETHER_CRC_LEN;
 		}
 
diff --git a/sys/dev/ic/ti.c b/sys/dev/ic/ti.c
index 078b078bdb5..0adef4bf466 100644
--- a/sys/dev/ic/ti.c
+++ b/sys/dev/ic/ti.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ti.c,v 1.5 2013/08/07 01:06:31 bluhm Exp $	*/
+/*	$OpenBSD: ti.c,v 1.6 2013/08/21 05:21:43 dlg Exp $	*/
 
 /*
  * Copyright (c) 1997, 1998, 1999
@@ -1742,7 +1742,7 @@ ti_rxeof(struct ti_softc *sc)
 			    == ENOBUFS) {
 				struct mbuf             *m0;
 				m0 = m_devget(mtod(m, char *), cur_rx->ti_len,
-				    ETHER_ALIGN, ifp, NULL);
+				    ETHER_ALIGN, ifp);
 				ti_newbuf_jumbo(sc, sc->ti_jumbo, m);
 				if (m0 == NULL) {
 					ifp->if_ierrors++;
diff --git a/sys/dev/pci/if_ale.c b/sys/dev/pci/if_ale.c
index 3794f9b0530..aadeb1c96b5 100644
--- a/sys/dev/pci/if_ale.c
+++ b/sys/dev/pci/if_ale.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_ale.c,v 1.27 2013/08/07 01:06:33 bluhm Exp $	*/
+/*	$OpenBSD: if_ale.c,v 1.28 2013/08/21 05:21:43 dlg Exp $	*/
 /*-
  * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
  * All rights reserved.
@@ -1548,7 +1548,7 @@ ale_rxeof(struct ale_softc *sc)
 		 * on these low-end consumer ethernet controller.
 		 */
 		m = m_devget((char *)(rs + 1), length - ETHER_CRC_LEN,
-		    ETHER_ALIGN, ifp, NULL);
+		    ETHER_ALIGN, ifp);
 		if (m == NULL) {
 			ifp->if_iqdrops++;
 			ale_rx_update_page(sc, &rx_page, length, &prod);
diff --git a/sys/dev/pci/if_bce.c b/sys/dev/pci/if_bce.c
index 5ef750d3464..5b745973e6e 100644
--- a/sys/dev/pci/if_bce.c
+++ b/sys/dev/pci/if_bce.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_bce.c,v 1.36 2013/08/07 01:06:33 bluhm Exp $ */
+/* $OpenBSD: if_bce.c,v 1.37 2013/08/21 05:21:43 dlg Exp $ */
 /* $NetBSD: if_bce.c,v 1.3 2003/09/29 01:53:02 mrg Exp $	 */
 
 /*
@@ -753,7 +753,7 @@ bce_rxintr(struct bce_softc *sc)
 		len -= ETHER_CRC_LEN;
 
 		m = m_devget(sc->bce_data + i * MCLBYTES +
-		    BCE_PREPKT_HEADER_SIZE, len, ETHER_ALIGN, ifp, NULL);
+		    BCE_PREPKT_HEADER_SIZE, len, ETHER_ALIGN, ifp);
 		ifp->if_ipackets++;
 
 #if NBPFILTER > 0
diff --git a/sys/dev/pci/if_cas.c b/sys/dev/pci/if_cas.c
index cd62796915d..37d6985418a 100644
--- a/sys/dev/pci/if_cas.c
+++ b/sys/dev/pci/if_cas.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_cas.c,v 1.32 2011/04/03 15:36:02 jasper Exp $	*/
+/*	$OpenBSD: if_cas.c,v 1.33 2013/08/21 05:21:44 dlg Exp $	*/
 
 /*
  *
@@ -1192,7 +1192,7 @@ cas_rint(struct cas_softc *sc)
 			    rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD);
 
 			cp = rxs->rxs_kva + off * 256 + ETHER_ALIGN;
-			m = m_devget(cp, len, ETHER_ALIGN, ifp, NULL);
+			m = m_devget(cp, len, ETHER_ALIGN, ifp);
 			
 			if (word[0] & CAS_RC0_RELEASE_HDR)
 				cas_add_rxbuf(sc, idx);
@@ -1228,7 +1228,7 @@ cas_rint(struct cas_softc *sc)
 
 			/* XXX We should not be copying the packet here. */
 			cp = rxs->rxs_kva + off + ETHER_ALIGN;
-			m = m_devget(cp, len, ETHER_ALIGN, ifp, NULL);
+			m = m_devget(cp, len, ETHER_ALIGN, ifp);
 
 			if (word[0] & CAS_RC0_RELEASE_DATA)
 				cas_add_rxbuf(sc, idx);
diff --git a/sys/dev/pci/if_lge.c b/sys/dev/pci/if_lge.c
index fa97c0854a7..7c4977aaac6 100644
--- a/sys/dev/pci/if_lge.c
+++ b/sys/dev/pci/if_lge.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_lge.c,v 1.58 2013/08/07 01:06:36 bluhm Exp $	*/
+/*	$OpenBSD: if_lge.c,v 1.59 2013/08/21 05:21:44 dlg Exp $	*/
 /*
  * Copyright (c) 2001 Wind River Systems
  * Copyright (c) 1997, 1998, 1999, 2000, 2001
@@ -890,7 +890,7 @@ lge_rxeof(struct lge_softc *sc, int cnt)
 
 		if (lge_newbuf(sc, &LGE_RXTAIL(sc), NULL) == ENOBUFS) {
 			m0 = m_devget(mtod(m, char *), total_len, ETHER_ALIGN,
-			    ifp, NULL);
+			    ifp);
 			lge_newbuf(sc, &LGE_RXTAIL(sc), m);
 			if (m0 == NULL) {
 				ifp->if_ierrors++;
diff --git a/sys/dev/pci/if_nge.c b/sys/dev/pci/if_nge.c
index 5c47a37cae7..bfc983d2f75 100644
--- a/sys/dev/pci/if_nge.c
+++ b/sys/dev/pci/if_nge.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_nge.c,v 1.74 2013/08/07 01:06:36 bluhm Exp $	*/
+/*	$OpenBSD: if_nge.c,v 1.75 2013/08/21 05:21:44 dlg Exp $	*/
 /*
  * Copyright (c) 2001 Wind River Systems
  * Copyright (c) 1997, 1998, 1999, 2000, 2001
@@ -1295,7 +1295,7 @@ nge_rxeof(sc)
 		if (nge_newbuf(sc, cur_rx, NULL) == ENOBUFS) {
 #endif
 			m0 = m_devget(mtod(m, char *), total_len,
-			    ETHER_ALIGN, ifp, NULL);
+			    ETHER_ALIGN, ifp);
 			nge_newbuf(sc, cur_rx, m);
 			if (m0 == NULL) {
 				ifp->if_ierrors++;
diff --git a/sys/dev/pci/if_sis.c b/sys/dev/pci/if_sis.c
index 10c13e8b73f..b33fe005453 100644
--- a/sys/dev/pci/if_sis.c
+++ b/sys/dev/pci/if_sis.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_sis.c,v 1.112 2013/08/07 01:06:37 bluhm Exp $ */
+/*	$OpenBSD: if_sis.c,v 1.113 2013/08/21 05:21:44 dlg Exp $ */
 /*
  * Copyright (c) 1997, 1998, 1999
  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
@@ -1402,7 +1402,7 @@ sis_rxeof(struct sis_softc *sc)
 		{
 			struct mbuf *m0;
 			m0 = m_devget(mtod(m, char *), total_len, ETHER_ALIGN,
-			    ifp, NULL);
+			    ifp);
 			m_freem(m);
 			if (m0 == NULL) {
 				ifp->if_ierrors++;
diff --git a/sys/dev/pci/if_sk.c b/sys/dev/pci/if_sk.c
index 2cbb83fdbac..85269227228 100644
--- a/sys/dev/pci/if_sk.c
+++ b/sys/dev/pci/if_sk.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_sk.c,v 1.165 2013/08/07 01:06:37 bluhm Exp $	*/
+/*	$OpenBSD: if_sk.c,v 1.166 2013/08/21 05:21:44 dlg Exp $	*/
 
 /*
  * Copyright (c) 1997, 1998, 1999, 2000
@@ -1740,7 +1740,7 @@ sk_rxeof(struct sk_if_softc *sc_if)
 		if (sk_newbuf(sc_if, cur, NULL, dmamap) == ENOBUFS) {
 			struct mbuf		*m0;
 			m0 = m_devget(mtod(m, char *), total_len, ETHER_ALIGN,
-			    ifp, NULL);
+			    ifp);
 			sk_newbuf(sc_if, cur, m, dmamap);
 			if (m0 == NULL) {
 				ifp->if_ierrors++;
diff --git a/sys/dev/pci/if_vge.c b/sys/dev/pci/if_vge.c
index cb813ccbc8f..658fa5114f1 100644
--- a/sys/dev/pci/if_vge.c
+++ b/sys/dev/pci/if_vge.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_vge.c,v 1.56 2013/08/07 01:06:38 bluhm Exp $	*/
+/*	$OpenBSD: if_vge.c,v 1.57 2013/08/21 05:21:44 dlg Exp $	*/
 /*	$FreeBSD: if_vge.c,v 1.3 2004/09/11 22:13:25 wpaul Exp $	*/
 /*
  * Copyright (c) 2004
@@ -1081,7 +1081,7 @@ vge_rxeof(struct vge_softc *sc)
 			}
 
 			m0 = m_devget(mtod(m, char *),
-			    total_len - ETHER_CRC_LEN, ETHER_ALIGN, ifp, NULL);
+			    total_len - ETHER_CRC_LEN, ETHER_ALIGN, ifp);
 			vge_newbuf(sc, i, m);
 			if (m0 == NULL) {
 				ifp->if_ierrors++;
diff --git a/sys/dev/pci/if_vr.c b/sys/dev/pci/if_vr.c
index cb460c3ba5d..394451e3baa 100644
--- a/sys/dev/pci/if_vr.c
+++ b/sys/dev/pci/if_vr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_vr.c,v 1.129 2013/08/07 01:06:38 bluhm Exp $	*/
+/*	$OpenBSD: if_vr.c,v 1.130 2013/08/21 05:21:44 dlg Exp $	*/
 
 /*
  * Copyright (c) 1997, 1998
@@ -902,7 +902,7 @@ vr_rxeof(struct vr_softc *sc)
 		{
 			struct mbuf *m0;
 			m0 = m_devget(mtod(m, caddr_t), total_len,
-			    ETHER_ALIGN, ifp, NULL);
+			    ETHER_ALIGN, ifp);
 			m_freem(m);
 			if (m0 == NULL) {
 				ifp->if_ierrors++;
diff --git a/sys/dev/pci/if_wb.c b/sys/dev/pci/if_wb.c
index c79b4c0e514..96762a10723 100644
--- a/sys/dev/pci/if_wb.c
+++ b/sys/dev/pci/if_wb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_wb.c,v 1.52 2013/08/07 01:06:39 bluhm Exp $	*/
+/*	$OpenBSD: if_wb.c,v 1.53 2013/08/21 05:21:45 dlg Exp $	*/
 
 /*
  * Copyright (c) 1997, 1998
@@ -976,7 +976,7 @@ void wb_rxeof(sc)
 		total_len -= ETHER_CRC_LEN;
 
 		m = m_devget(cur_rx->wb_buf + sizeof(u_int64_t), total_len,
-		    ETHER_ALIGN, ifp, NULL);
+		    ETHER_ALIGN, ifp);
 		wb_newbuf(sc, cur_rx);
 		if (m == NULL) {
 			ifp->if_ierrors++;
diff --git a/sys/dev/pcmcia/if_malo.c b/sys/dev/pcmcia/if_malo.c
index 199626cd7e6..86b70da6b7c 100644
--- a/sys/dev/pcmcia/if_malo.c
+++ b/sys/dev/pcmcia/if_malo.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: if_malo.c,v 1.73 2011/07/03 15:47:17 matthew Exp $ */
+/*      $OpenBSD: if_malo.c,v 1.74 2013/08/21 05:21:45 dlg Exp $ */
 
 /*
  * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org>
@@ -971,7 +971,7 @@ cmalo_rx(struct malo_softc *sc)
 
 	/* prepare mbuf */
 	m = m_devget(sc->sc_data + rxdesc->pkgoffset,
-	    rxdesc->pkglen, ETHER_ALIGN, ifp, NULL);
+	    rxdesc->pkglen, ETHER_ALIGN, ifp);
 	if (m == NULL) {
 		DPRINTF(1, "RX m_devget failed\n");
 		ifp->if_ierrors++;
diff --git a/sys/dev/usb/if_upgt.c b/sys/dev/usb/if_upgt.c
index 43acf4471e2..3d371f1d106 100644
--- a/sys/dev/usb/if_upgt.c
+++ b/sys/dev/usb/if_upgt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_upgt.c,v 1.59 2013/08/07 01:06:42 bluhm Exp $ */
+/*	$OpenBSD: if_upgt.c,v 1.60 2013/08/21 05:21:45 dlg Exp $ */
 
 /*
  * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org>
@@ -1760,7 +1760,7 @@ upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen)
 	rxdesc = (struct upgt_lmac_rx_desc *)data;
 
 	/* create mbuf which is suitable for strict alignment archs */
-	m = m_devget(rxdesc->data, pkglen, ETHER_ALIGN, ifp, NULL);
+	m = m_devget(rxdesc->data, pkglen, ETHER_ALIGN, ifp);
 	if (m == NULL) {
 		DPRINTF(1, "%s: could not create RX mbuf!\n", sc->sc_dev.dv_xname);
 		ifp->if_ierrors++;
diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index fdc4b887c32..774a5e16ffd 100644
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: uipc_mbuf.c,v 1.174 2013/08/08 23:25:06 syl Exp $	*/
+/*	$OpenBSD: uipc_mbuf.c,v 1.175 2013/08/21 05:21:45 dlg Exp $	*/
 /*	$NetBSD: uipc_mbuf.c,v 1.15.4.1 1996/06/13 17:11:44 cgd Exp $	*/
 
 /*
@@ -1168,8 +1168,7 @@ extpacket:
  * Routine to copy from device local memory into mbufs.
  */
 struct mbuf *
-m_devget(char *buf, int totlen, int off, struct ifnet *ifp,
-    void (*copy)(const void *, void *, size_t))
+m_devget(char *buf, int totlen, int off, struct ifnet *ifp)
 {
 	struct mbuf	*m;
 	struct mbuf	*top, **mp;
@@ -1224,11 +1223,7 @@ m_devget(char *buf, int totlen, int off, struct ifnet *ifp,
 		}
 
 		m->m_len = len = min(totlen, len);
-
-		if (copy)
-			copy(buf, mtod(m, caddr_t), (size_t)len);
-		else
-			bcopy(buf, mtod(m, caddr_t), (size_t)len);
+		memcpy(mtod(m, void *), buf, (size_t)len);
 
 		buf += len;
 		*mp = m;
diff --git a/sys/net/pfkeyv2.c b/sys/net/pfkeyv2.c
index 45dadc17b96..3cdd65201fb 100644
--- a/sys/net/pfkeyv2.c
+++ b/sys/net/pfkeyv2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pfkeyv2.c,v 1.130 2013/03/09 16:51:30 deraadt Exp $ */
+/* $OpenBSD: pfkeyv2.c,v 1.131 2013/08/21 05:21:46 dlg Exp $ */
 
 /*
  *	@(#)COPYRIGHT	1.1 (NRL) 17 January 1995
@@ -137,7 +137,7 @@ extern struct pool ipsec_policy_pool;
 int
 pfdatatopacket(void *data, int len, struct mbuf **packet)
 {
-	if (!(*packet = m_devget(data, len, 0, NULL, NULL)))
+	if (!(*packet = m_devget(data, len, 0, NULL)))
 		return (ENOMEM);
 
 	/* Make sure, all data gets zeroized on free */
diff --git a/sys/sys/mbuf.h b/sys/sys/mbuf.h
index c6eaba98c13..376d1341c04 100644
--- a/sys/sys/mbuf.h
+++ b/sys/sys/mbuf.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mbuf.h,v 1.166 2013/08/13 09:52:54 mpi Exp $	*/
+/*	$OpenBSD: mbuf.h,v 1.167 2013/08/21 05:21:46 dlg Exp $	*/
 /*	$NetBSD: mbuf.h,v 1.19 1996/02/09 18:25:14 christos Exp $	*/
 
 /*
@@ -423,8 +423,7 @@ void	m_freem(struct mbuf *);
 void	m_reclaim(void *, int);
 void	m_copydata(struct mbuf *, int, int, caddr_t);
 void	m_cat(struct mbuf *, struct mbuf *);
-struct mbuf *m_devget(char *, int, int, struct ifnet *,
-	    void (*)(const void *, void *, size_t));
+struct mbuf *m_devget(char *, int, int, struct ifnet *);
 int	m_apply(struct mbuf *, int, int,
 	    int (*)(caddr_t, caddr_t, unsigned int), caddr_t);
 int	m_dup_pkthdr(struct mbuf *, struct mbuf *, int);