Remove M_TRYWAIT/M_WAITOK/M_WAIT. Callers should use 0.

Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.

19 files changed, 43 insertions, 43 deletions

diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c
index 16780b1..6d9d158 100644
--- a/sys/netinet/if_ether.c
+++ b/sys/netinet/if_ether.c
@@ -317,7 +317,7 @@ arprequest(ifp, sip, tip, enaddr)
 				   LLC_UI, 0x00, 0x00, 0x00, 0x08, 0x06 };
 	u_short ar_hrd;
 
-	if ((m = m_gethdr(M_DONTWAIT, MT_DATA)) == NULL)
+	if ((m = m_gethdr(M_NOWAIT, MT_DATA)) == NULL)
 		return;
 	m->m_pkthdr.rcvif = (struct ifnet *)0;
 #ifdef MAC
diff --git a/sys/netinet/igmp.c b/sys/netinet/igmp.c
index 929d456..bc5fe11 100644
--- a/sys/netinet/igmp.c
+++ b/sys/netinet/igmp.c
@@ -108,7 +108,7 @@ igmp_init()
 	/*
 	 * Construct a Router Alert option to use in outgoing packets
 	 */
-	MGET(router_alert, M_DONTWAIT, MT_DATA);
+	MGET(router_alert, M_NOWAIT, MT_DATA);
 	ra = mtod(router_alert, struct ipoption *);
 	ra->ipopt_dst.s_addr = 0;
 	ra->ipopt_list[0] = IPOPT_RA;	/* Router Alert Option */
@@ -445,7 +445,7 @@ igmp_sendpkt(inm, type, addr)
         struct ip *ip;
         struct ip_moptions imo;
 
-        MGETHDR(m, M_DONTWAIT, MT_HEADER);
+        MGETHDR(m, M_NOWAIT, MT_HEADER);
         if (m == NULL)
                 return;
 
diff --git a/sys/netinet/in.c b/sys/netinet/in.c
index 89c4123..5610491 100644
--- a/sys/netinet/in.c
+++ b/sys/netinet/in.c
@@ -268,7 +268,7 @@ in_control(so, cmd, data, ifp, td)
 			return (EADDRNOTAVAIL);
 		if (ia == (struct in_ifaddr *)0) {
 			ia = (struct in_ifaddr *)
-				malloc(sizeof *ia, M_IFADDR, M_WAITOK | M_ZERO);
+				malloc(sizeof *ia, M_IFADDR, M_ZERO);
 			if (ia == (struct in_ifaddr *)NULL)
 				return (ENOBUFS);
 			/*
@@ -837,7 +837,7 @@ in_addmulti(ap, ifp)
 		return ifma->ifma_protospec;
 	}
 
-	/* XXX - if_addmulti uses M_WAITOK.  Can this really be called
+	/* XXX - if_addmulti does not use N_NOWAIT.  Can this really be called
 	   at interrupt time?  If so, need to fix if_addmulti. XXX */
 	inm = (struct in_multi *)malloc(sizeof(*inm), M_IPMADDR,
 	    M_NOWAIT | M_ZERO);
diff --git a/sys/netinet/in_gif.c b/sys/netinet/in_gif.c
index cdf094a..3e996d7 100644
--- a/sys/netinet/in_gif.c
+++ b/sys/netinet/in_gif.c
@@ -167,7 +167,7 @@ in_gif_output(ifp, family, m)
 		ip_ecn_ingress(ECN_NOCARE, &iphdr.ip_tos, &tos);
 
 	/* prepend new IP header */
-	M_PREPEND(m, sizeof(struct ip), M_DONTWAIT);
+	M_PREPEND(m, sizeof(struct ip), M_NOWAIT);
 	if (m && m->m_len < sizeof(struct ip))
 		m = m_pullup(m, sizeof(struct ip));
 	if (m == NULL) {
diff --git a/sys/netinet/in_pcb.c b/sys/netinet/in_pcb.c
index b5a6722..eaf7d35 100644
--- a/sys/netinet/in_pcb.c
+++ b/sys/netinet/in_pcb.c
@@ -663,7 +663,7 @@ in_sockaddr(port, addr_p)
 	struct sockaddr_in *sin;
 
 	MALLOC(sin, struct sockaddr_in *, sizeof *sin, M_SONAME,
-		M_WAITOK | M_ZERO);
+		M_ZERO);
 	sin->sin_family = AF_INET;
 	sin->sin_len = sizeof(*sin);
 	sin->sin_addr = *addr_p;
diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c
index 9082733..f9bad2c 100644
--- a/sys/netinet/ip_divert.c
+++ b/sys/netinet/ip_divert.c
@@ -489,7 +489,7 @@ div_pcblist(SYSCTL_HANDLER_ARGS)
 	if (error)
 		return error;
 
-	inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK);
+	inp_list = malloc(n * sizeof *inp_list, M_TEMP, 0);
 	if (inp_list == 0)
 		return ENOMEM;
 	
diff --git a/sys/netinet/ip_encap.c b/sys/netinet/ip_encap.c
index 478cdfa..a547c66 100644
--- a/sys/netinet/ip_encap.c
+++ b/sys/netinet/ip_encap.c
@@ -487,7 +487,7 @@ encap_fillarg(m, ep)
 {
 	struct m_tag *tag;
 
-	tag = m_tag_get(PACKET_TAG_ENCAP, sizeof (void*), M_DONTWAIT);
+	tag = m_tag_get(PACKET_TAG_ENCAP, sizeof (void*), M_NOWAIT);
 	if (tag) {
 		*(void**)(tag+1) = ep->arg;
 		m_tag_prepend(m, tag);
diff --git a/sys/netinet/ip_fw.c b/sys/netinet/ip_fw.c
index 26f4a04..b532766 100644
--- a/sys/netinet/ip_fw.c
+++ b/sys/netinet/ip_fw.c
@@ -875,7 +875,7 @@ add_dyn_rule(struct ipfw_flow_id *id, u_int8_t dyn_type, struct ip_fw *rule)
 	    if (ipfw_dyn_v != NULL)
 		free(ipfw_dyn_v, M_IPFW);
 	    ipfw_dyn_v = malloc(curr_dyn_buckets * sizeof r,
-                   M_IPFW, M_DONTWAIT | M_ZERO);
+                   M_IPFW, M_NOWAIT | M_ZERO);
 	    if (ipfw_dyn_v == NULL)
 		return NULL; /* failed ! */
 	}
@@ -2036,7 +2036,7 @@ ip_fw_ctl(struct sockopt *sopt)
 		 * bother filling up the buffer, just jump to the
 		 * sooptcopyout.
 		 */
-		buf = malloc(size, M_TEMP, M_WAITOK);
+		buf = malloc(size, M_TEMP, 0);
 		if (buf == 0) {
 		    splx(s);
 		    error = ENOBUFS;
diff --git a/sys/netinet/ip_fw2.c b/sys/netinet/ip_fw2.c
index 7a425ed..1f02a9c 100644
--- a/sys/netinet/ip_fw2.c
+++ b/sys/netinet/ip_fw2.c
@@ -1057,7 +1057,7 @@ send_pkt(struct ipfw_flow_id *id, u_int32_t seq, u_int32_t ack, int flags)
 	struct tcphdr *tcp;
 	struct route sro;	/* fake route */
 
-	MGETHDR(m, M_DONTWAIT, MT_HEADER);
+	MGETHDR(m, M_NOWAIT, MT_HEADER);
 	if (m == 0)
 		return;
 	m->m_pkthdr.rcvif = (struct ifnet *)0;
@@ -2498,7 +2498,7 @@ ipfw_ctl(struct sockopt *sopt)
 		 * how much room is needed, do not bother filling up the
 		 * buffer, just jump to the sooptcopyout.
 		 */
-		buf = malloc(size, M_TEMP, M_WAITOK);
+		buf = malloc(size, M_TEMP, 0);
 		if (buf == 0) {
 			splx(s);
 			error = ENOBUFS;
diff --git a/sys/netinet/ip_icmp.c b/sys/netinet/ip_icmp.c
index a15ece2..a83dcba 100644
--- a/sys/netinet/ip_icmp.c
+++ b/sys/netinet/ip_icmp.c
@@ -163,7 +163,7 @@ icmp_error(n, type, code, dest, destifp)
 	/*
 	 * First, formulate icmp message
 	 */
-	m = m_gethdr(M_DONTWAIT, MT_HEADER);
+	m = m_gethdr(M_NOWAIT, MT_HEADER);
 	if (m == NULL)
 		goto freeit;
 #ifdef MAC
@@ -656,7 +656,7 @@ match:
 		 */
 		cp = (u_char *) (ip + 1);
 		if ((opts = ip_srcroute()) == 0 &&
-		    (opts = m_gethdr(M_DONTWAIT, MT_HEADER))) {
+		    (opts = m_gethdr(M_NOWAIT, MT_HEADER))) {
 			opts->m_len = sizeof(struct in_addr);
 			mtod(opts, struct in_addr *)->s_addr = 0;
 		}
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 51332a5..590e867 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -823,7 +823,7 @@ found:
 
 		/* Clone packet if we're doing a 'tee' */
 		if ((divert_info & IP_FW_PORT_TEE_FLAG) != 0)
-			clone = m_dup(m, M_DONTWAIT);
+			clone = m_dup(m, M_NOWAIT);
 
 		/* Restore packet header fields to original values */
 		ip->ip_len += hlen;
@@ -983,7 +983,7 @@ ip_reass(struct mbuf *m, struct ipqhead *head, struct ipq *fp,
 		if ((ip_maxfragpackets >= 0) && (ip_nfragpackets >= ip_maxfragpackets))
 			goto dropfrag;
 		ip_nfragpackets++;
-		if ((t = m_get(M_DONTWAIT, MT_FTABLE)) == NULL)
+		if ((t = m_get(M_NOWAIT, MT_FTABLE)) == NULL)
 			goto dropfrag;
 		fp = mtod(t, struct ipq *);
 #ifdef MAC
@@ -1587,7 +1587,7 @@ ip_srcroute()
 
 	if (ip_nhops == 0)
 		return ((struct mbuf *)0);
-	m = m_get(M_DONTWAIT, MT_HEADER);
+	m = m_get(M_NOWAIT, MT_HEADER);
 	if (m == 0)
 		return ((struct mbuf *)0);
 
@@ -1762,8 +1762,8 @@ ip_forward(struct mbuf *m, int srcrt, struct sockaddr_in *next_hop)
 	 * assume exclusive access to the IP header in `m', so any
 	 * data in a cluster may change before we reach icmp_error().
 	 */
-	MGET(mcopy, M_DONTWAIT, m->m_type);
-	if (mcopy != NULL && !m_dup_pkthdr(mcopy, m, M_DONTWAIT)) {
+	MGET(mcopy, M_NOWAIT, m->m_type);
+	if (mcopy != NULL && !m_dup_pkthdr(mcopy, m, M_NOWAIT)) {
 		/*
 		 * It's probably ok if the pkthdr dup fails (because
 		 * the deep copy of the tag chain failed), but for now
diff --git a/sys/netinet/ip_mroute.c b/sys/netinet/ip_mroute.c
index 3caba6b..d48ae3e 100644
--- a/sys/netinet/ip_mroute.c
+++ b/sys/netinet/ip_mroute.c
@@ -1403,7 +1403,7 @@ encap_send(struct ip *ip, struct vif *vifp, struct mbuf *m)
      * new mbuf so we can modify it.  Try to fill the new
      * mbuf since if we don't the ethernet driver will.
      */
-    MGETHDR(mb_copy, M_DONTWAIT, MT_HEADER);
+    MGETHDR(mb_copy, M_NOWAIT, MT_HEADER);
     if (mb_copy == NULL)
 	return;
 #ifdef MAC
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c
index 3484905..8a85124 100644
--- a/sys/netinet/ip_output.c
+++ b/sys/netinet/ip_output.c
@@ -793,7 +793,7 @@ spd_done:
 
 			/* Clone packet if we're doing a 'tee' */
 			if ((off & IP_FW_PORT_TEE_FLAG) != 0)
-				clone = m_dup(m, M_DONTWAIT);
+				clone = m_dup(m, M_NOWAIT);
 
 			/*
 			 * XXX
@@ -1099,7 +1099,7 @@ smart_frag_failure:
 	m0 = m;
 	mhlen = sizeof (struct ip);
 	for (; off < (u_short)ip->ip_len; off += len) {
-		MGETHDR(m, M_DONTWAIT, MT_HEADER);
+		MGETHDR(m, M_NOWAIT, MT_HEADER);
 		if (m == 0) {
 			error = ENOBUFS;
 			ipstat.ips_odropped++;
@@ -1265,7 +1265,7 @@ ip_insertoptions(m, opt, phlen)
 	if (p->ipopt_dst.s_addr)
 		ip->ip_dst = p->ipopt_dst;
 	if (m->m_flags & M_EXT || m->m_data - optlen < m->m_pktdat) {
-		MGETHDR(n, M_DONTWAIT, MT_HEADER);
+		MGETHDR(n, M_NOWAIT, MT_HEADER);
 		if (n == 0) {
 			*phlen = 0;
 			return (m);
@@ -1370,7 +1370,7 @@ ip_ctloutput(so, sopt)
 				error = EMSGSIZE;
 				break;
 			}
-			MGET(m, sopt->sopt_td ? M_TRYWAIT : M_DONTWAIT, MT_HEADER);
+			MGET(m, sopt->sopt_td ? 0 : M_NOWAIT, MT_HEADER);
 			if (m == 0) {
 				error = ENOBUFS;
 				break;
@@ -1764,7 +1764,7 @@ ip_setmoptions(sopt, imop)
 		 * allocate one and initialize to default values.
 		 */
 		imo = (struct ip_moptions*)malloc(sizeof(*imo), M_IPMOPTS,
-		    M_WAITOK);
+		    0);
 
 		if (imo == NULL)
 			return (ENOBUFS);
diff --git a/sys/netinet/raw_ip.c b/sys/netinet/raw_ip.c
index 3c37fc4..2b475fa 100644
--- a/sys/netinet/raw_ip.c
+++ b/sys/netinet/raw_ip.c
@@ -287,7 +287,7 @@ rip_output(m, so, dst)
 			m_freem(m);
 			return(EMSGSIZE);
 		}
-		M_PREPEND(m, sizeof(struct ip), M_TRYWAIT);
+		M_PREPEND(m, sizeof(struct ip), 0);
 		ip = mtod(m, struct ip *);
 		ip->ip_tos = inp->inp_ip_tos;
 		ip->ip_off = 0;
@@ -698,7 +698,7 @@ rip_pcblist(SYSCTL_HANDLER_ARGS)
 	if (error)
 		return error;
 
-	inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK);
+	inp_list = malloc(n * sizeof *inp_list, M_TEMP, 0);
 	if (inp_list == 0)
 		return ENOMEM;
 	
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c
index 34b0d84..2e926d1 100644
--- a/sys/netinet/tcp_output.c
+++ b/sys/netinet/tcp_output.c
@@ -603,14 +603,14 @@ send:
 		m->m_len += hdrlen;
 		m->m_data -= hdrlen;
 #else
-		MGETHDR(m, M_DONTWAIT, MT_HEADER);
+		MGETHDR(m, M_NOWAIT, MT_HEADER);
 		if (m == NULL) {
 			error = ENOBUFS;
 			goto out;
 		}
 #ifdef INET6
 		if (MHLEN < hdrlen + max_linkhdr) {
-			MCLGET(m, M_DONTWAIT);
+			MCLGET(m, M_NOWAIT);
 			if ((m->m_flags & M_EXT) == 0) {
 				m_freem(m);
 				error = ENOBUFS;
@@ -651,7 +651,7 @@ send:
 		else
 			tcpstat.tcps_sndwinup++;
 
-		MGETHDR(m, M_DONTWAIT, MT_HEADER);
+		MGETHDR(m, M_NOWAIT, MT_HEADER);
 		if (m == NULL) {
 			error = ENOBUFS;
 			goto out;
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index 46e32d9..cb9682d 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -332,7 +332,7 @@ tcp_maketemplate(tp)
 	struct mbuf *m;
 	struct tcptemp *n;
 
-	m = m_get(M_DONTWAIT, MT_HEADER);
+	m = m_get(M_NOWAIT, MT_HEADER);
 	if (m == NULL)
 		return (0);
 	m->m_len = sizeof(struct tcptemp);
@@ -412,7 +412,7 @@ tcp_respond(tp, ipgen, th, m, ack, seq, flags)
 	      }
 	}
 	if (m == 0) {
-		m = m_gethdr(M_DONTWAIT, MT_HEADER);
+		m = m_gethdr(M_NOWAIT, MT_HEADER);
 		if (m == NULL)
 			return;
 		tlen = 0;
@@ -901,7 +901,7 @@ tcp_pcblist(SYSCTL_HANDLER_ARGS)
 	if (error)
 		return error;
 
-	inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK);
+	inp_list = malloc(n * sizeof *inp_list, M_TEMP, 0);
 	if (inp_list == 0)
 		return ENOMEM;
 	
@@ -1496,7 +1496,7 @@ ipsec_hdrsiz_tcp(tp)
 
 	if ((tp == NULL) || ((inp = tp->t_inpcb) == NULL))
 		return 0;
-	MGETHDR(m, M_DONTWAIT, MT_DATA);
+	MGETHDR(m, M_NOWAIT, MT_DATA);
 	if (!m)
 		return 0;
 
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c
index 05660ec..798c379 100644
--- a/sys/netinet/tcp_syncache.c
+++ b/sys/netinet/tcp_syncache.c
@@ -247,7 +247,7 @@ syncache_init(void)
 	/* Allocate the hash table. */
 	MALLOC(tcp_syncache.hashbase, struct syncache_head *,
 	    tcp_syncache.hashsize * sizeof(struct syncache_head),
-	    M_SYNCACHE, M_WAITOK);
+	    M_SYNCACHE, 0);
 
 	/* Initialize the hash buckets. */
 	for (i = 0; i < tcp_syncache.hashsize; i++) {
@@ -1099,7 +1099,7 @@ syncache_respond(sc, m)
 	if (m)
 		m_freem(m);
 
-	m = m_gethdr(M_DONTWAIT, MT_HEADER);
+	m = m_gethdr(M_NOWAIT, MT_HEADER);
 	if (m == NULL)
 		return (ENOBUFS);
 	m->m_data += max_linkhdr;
diff --git a/sys/netinet/tcp_timewait.c b/sys/netinet/tcp_timewait.c
index 46e32d9..cb9682d 100644
--- a/sys/netinet/tcp_timewait.c
+++ b/sys/netinet/tcp_timewait.c
@@ -332,7 +332,7 @@ tcp_maketemplate(tp)
 	struct mbuf *m;
 	struct tcptemp *n;
 
-	m = m_get(M_DONTWAIT, MT_HEADER);
+	m = m_get(M_NOWAIT, MT_HEADER);
 	if (m == NULL)
 		return (0);
 	m->m_len = sizeof(struct tcptemp);
@@ -412,7 +412,7 @@ tcp_respond(tp, ipgen, th, m, ack, seq, flags)
 	      }
 	}
 	if (m == 0) {
-		m = m_gethdr(M_DONTWAIT, MT_HEADER);
+		m = m_gethdr(M_NOWAIT, MT_HEADER);
 		if (m == NULL)
 			return;
 		tlen = 0;
@@ -901,7 +901,7 @@ tcp_pcblist(SYSCTL_HANDLER_ARGS)
 	if (error)
 		return error;
 
-	inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK);
+	inp_list = malloc(n * sizeof *inp_list, M_TEMP, 0);
 	if (inp_list == 0)
 		return ENOMEM;
 	
@@ -1496,7 +1496,7 @@ ipsec_hdrsiz_tcp(tp)
 
 	if ((tp == NULL) || ((inp = tp->t_inpcb) == NULL))
 		return 0;
-	MGETHDR(m, M_DONTWAIT, MT_DATA);
+	MGETHDR(m, M_NOWAIT, MT_DATA);
 	if (!m)
 		return 0;
 
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c
index 437ee4e..4331770 100644
--- a/sys/netinet/udp_usrreq.c
+++ b/sys/netinet/udp_usrreq.c
@@ -583,7 +583,7 @@ udp_pcblist(SYSCTL_HANDLER_ARGS)
 	if (error)
 		return error;
 
-	inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK);
+	inp_list = malloc(n * sizeof *inp_list, M_TEMP, 0);
 	if (inp_list == 0)
 		return ENOMEM;
 	
@@ -801,7 +801,7 @@ udp_output(inp, m, addr, control, td)
 	 * Calculate data length and get a mbuf
 	 * for UDP and IP headers.
 	 */
-	M_PREPEND(m, sizeof(struct udpiphdr), M_DONTWAIT);
+	M_PREPEND(m, sizeof(struct udpiphdr), M_NOWAIT);
 	if (m == 0) {
 		error = ENOBUFS;
 		goto release;