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Commit f685ddaf authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 

* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
  [BNX2]: Add PHY workaround for 5709 A1.
  [PPP] L2TP: Fix skb handling in pppol2tp_xmit
  [PPP] L2TP: Fix skb handling in pppol2tp_recv_core
  [PPP] L2TP: Disallow non-UDP datagram sockets
  [PPP] pppoe: Fix double-free on skb after transmit failure
  [PKT_SCHED]: Fix 'SFQ qdisc crashes with limit of 2 packets'
  [NETFILTER]: MAINTAINERS update
  [NETFILTER]: nfnetlink_log: fix sending of multipart messages
parents 460edb3c cd46171c
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MAINTAINERS
View file @ f685ddaf
...@@ -2622,8 +2622,8 @@ P: Harald Welte ...@@ -2622,8 +2622,8 @@ P: Harald Welte
P: Jozsef Kadlecsik P: Jozsef Kadlecsik
P: Patrick McHardy P: Patrick McHardy
M: kaber@trash.net M: kaber@trash.net
L: netfilter-devel@lists.netfilter.org L: netfilter-devel@vger.kernel.org
L: netfilter@lists.netfilter.org (subscribers-only) L: netfilter@vger.kernel.org
L: coreteam@netfilter.org L: coreteam@netfilter.org
W: http://www.netfilter.org/ W: http://www.netfilter.org/
W: http://www.iptables.org/ W: http://www.iptables.org/
...@@ -2676,7 +2676,7 @@ M: jmorris@namei.org ...@@ -2676,7 +2676,7 @@ M: jmorris@namei.org
P: Hideaki YOSHIFUJI P: Hideaki YOSHIFUJI
M: yoshfuji@linux-ipv6.org M: yoshfuji@linux-ipv6.org
P: Patrick McHardy P: Patrick McHardy
M: kaber@coreworks.de M: kaber@trash.net
L: netdev@vger.kernel.org L: netdev@vger.kernel.org
T: git kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6.git T: git kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6.git
S: Maintained S: Maintained
......
drivers/net/bnx2.c
View file @ f685ddaf
...@@ -54,8 +54,8 @@ ...@@ -54,8 +54,8 @@
#define DRV_MODULE_NAME "bnx2" #define DRV_MODULE_NAME "bnx2"
#define PFX DRV_MODULE_NAME ": " #define PFX DRV_MODULE_NAME ": "
#define DRV_MODULE_VERSION "1.6.4" #define DRV_MODULE_VERSION "1.6.5"
#define DRV_MODULE_RELDATE "August 3, 2007" #define DRV_MODULE_RELDATE "September 20, 2007"
#define RUN_AT(x) (jiffies + (x)) #define RUN_AT(x) (jiffies + (x))
...@@ -6727,7 +6727,8 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) ...@@ -6727,7 +6727,8 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
} else if (CHIP_NUM(bp) == CHIP_NUM_5706 || } else if (CHIP_NUM(bp) == CHIP_NUM_5706 ||
CHIP_NUM(bp) == CHIP_NUM_5708) CHIP_NUM(bp) == CHIP_NUM_5708)
bp->phy_flags |= PHY_CRC_FIX_FLAG; bp->phy_flags |= PHY_CRC_FIX_FLAG;
else if (CHIP_ID(bp) == CHIP_ID_5709_A0) else if (CHIP_ID(bp) == CHIP_ID_5709_A0 ||
CHIP_ID(bp) == CHIP_ID_5709_A1)
bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG; bp->phy_flags |= PHY_DIS_EARLY_DAC_FLAG;
if ((CHIP_ID(bp) == CHIP_ID_5708_A0) || if ((CHIP_ID(bp) == CHIP_ID_5708_A0) ||
......
drivers/net/pppoe.c
View file @ f685ddaf
...@@ -879,8 +879,7 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb) ...@@ -879,8 +879,7 @@ static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb)
dev->hard_header(skb, dev, ETH_P_PPP_SES, dev->hard_header(skb, dev, ETH_P_PPP_SES,
po->pppoe_pa.remote, NULL, data_len); po->pppoe_pa.remote, NULL, data_len);
if (dev_queue_xmit(skb) < 0) dev_queue_xmit(skb);
goto abort;
return 1; return 1;
......
drivers/net/pppol2tp.c
View file @ f685ddaf
...@@ -491,44 +491,46 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb) ...@@ -491,44 +491,46 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
u16 hdrflags; u16 hdrflags;
u16 tunnel_id, session_id; u16 tunnel_id, session_id;
int length; int length;
struct udphdr *uh; int offset;
tunnel = pppol2tp_sock_to_tunnel(sock); tunnel = pppol2tp_sock_to_tunnel(sock);
if (tunnel == NULL) if (tunnel == NULL)
goto error; goto error;
/* UDP always verifies the packet length. */
__skb_pull(skb, sizeof(struct udphdr));
/* Short packet? */ /* Short packet? */
if (skb->len < sizeof(struct udphdr)) { if (!pskb_may_pull(skb, 12)) {
PRINTK(tunnel->debug, PPPOL2TP_MSG_DATA, KERN_INFO, PRINTK(tunnel->debug, PPPOL2TP_MSG_DATA, KERN_INFO,
"%s: recv short packet (len=%d)\n", tunnel->name, skb->len); "%s: recv short packet (len=%d)\n", tunnel->name, skb->len);
goto error; goto error;
} }
/* Point to L2TP header */ /* Point to L2TP header */
ptr = skb->data + sizeof(struct udphdr); ptr = skb->data;
/* Get L2TP header flags */ /* Get L2TP header flags */
hdrflags = ntohs(*(__be16*)ptr); hdrflags = ntohs(*(__be16*)ptr);
/* Trace packet contents, if enabled */ /* Trace packet contents, if enabled */
if (tunnel->debug & PPPOL2TP_MSG_DATA) { if (tunnel->debug & PPPOL2TP_MSG_DATA) {
length = min(16u, skb->len);
if (!pskb_may_pull(skb, length))
goto error;
printk(KERN_DEBUG "%s: recv: ", tunnel->name); printk(KERN_DEBUG "%s: recv: ", tunnel->name);
for (length = 0; length < 16; length++) offset = 0;
printk(" %02X", ptr[length]); do {
printk(" %02X", ptr[offset]);
} while (++offset < length);
printk("\n"); printk("\n");
} }
/* Get length of L2TP packet */ /* Get length of L2TP packet */
uh = (struct udphdr *) skb_transport_header(skb); length = skb->len;
length = ntohs(uh->len) - sizeof(struct udphdr);
/* Too short? */
if (length < 12) {
PRINTK(tunnel->debug, PPPOL2TP_MSG_DATA, KERN_INFO,
"%s: recv short L2TP packet (len=%d)\n", tunnel->name, length);
goto error;
}
/* If type is control packet, it is handled by userspace. */ /* If type is control packet, it is handled by userspace. */
if (hdrflags & L2TP_HDRFLAG_T) { if (hdrflags & L2TP_HDRFLAG_T) {
...@@ -606,7 +608,6 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb) ...@@ -606,7 +608,6 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
"%s: recv data has no seq numbers when required. " "%s: recv data has no seq numbers when required. "
"Discarding\n", session->name); "Discarding\n", session->name);
session->stats.rx_seq_discards++; session->stats.rx_seq_discards++;
session->stats.rx_errors++;
goto discard; goto discard;
} }
...@@ -625,7 +626,6 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb) ...@@ -625,7 +626,6 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
"%s: recv data has no seq numbers when required. " "%s: recv data has no seq numbers when required. "
"Discarding\n", session->name); "Discarding\n", session->name);
session->stats.rx_seq_discards++; session->stats.rx_seq_discards++;
session->stats.rx_errors++;
goto discard; goto discard;
} }
...@@ -634,10 +634,14 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb) ...@@ -634,10 +634,14 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
} }
/* If offset bit set, skip it. */ /* If offset bit set, skip it. */
if (hdrflags & L2TP_HDRFLAG_O) if (hdrflags & L2TP_HDRFLAG_O) {
ptr += 2 + ntohs(*(__be16 *) ptr); offset = ntohs(*(__be16 *)ptr);
skb->transport_header += 2 + offset;
if (!pskb_may_pull(skb, skb_transport_offset(skb) + 2))
goto discard;
}
skb_pull(skb, ptr - skb->data); __skb_pull(skb, skb_transport_offset(skb));
/* Skip PPP header, if present. In testing, Microsoft L2TP clients /* Skip PPP header, if present. In testing, Microsoft L2TP clients
* don't send the PPP header (PPP header compression enabled), but * don't send the PPP header (PPP header compression enabled), but
...@@ -673,7 +677,6 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb) ...@@ -673,7 +677,6 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
*/ */
if (PPPOL2TP_SKB_CB(skb)->ns != session->nr) { if (PPPOL2TP_SKB_CB(skb)->ns != session->nr) {
session->stats.rx_seq_discards++; session->stats.rx_seq_discards++;
session->stats.rx_errors++;
PRINTK(session->debug, PPPOL2TP_MSG_SEQ, KERN_DEBUG, PRINTK(session->debug, PPPOL2TP_MSG_SEQ, KERN_DEBUG,
"%s: oos pkt %hu len %d discarded, " "%s: oos pkt %hu len %d discarded, "
"waiting for %hu, reorder_q_len=%d\n", "waiting for %hu, reorder_q_len=%d\n",
...@@ -698,6 +701,7 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb) ...@@ -698,6 +701,7 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
return 0; return 0;
discard: discard:
session->stats.rx_errors++;
kfree_skb(skb); kfree_skb(skb);
sock_put(session->sock); sock_put(session->sock);
...@@ -958,7 +962,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) ...@@ -958,7 +962,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
int data_len = skb->len; int data_len = skb->len;
struct inet_sock *inet; struct inet_sock *inet;
__wsum csum = 0; __wsum csum = 0;
struct sk_buff *skb2 = NULL;
struct udphdr *uh; struct udphdr *uh;
unsigned int len; unsigned int len;
...@@ -989,41 +992,30 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) ...@@ -989,41 +992,30 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
*/ */
headroom = NET_SKB_PAD + sizeof(struct iphdr) + headroom = NET_SKB_PAD + sizeof(struct iphdr) +
sizeof(struct udphdr) + hdr_len + sizeof(ppph); sizeof(struct udphdr) + hdr_len + sizeof(ppph);
if (skb_headroom(skb) < headroom) { if (skb_cow_head(skb, headroom))
skb2 = skb_realloc_headroom(skb, headroom);
if (skb2 == NULL)
goto abort; goto abort;
} else
skb2 = skb;
/* Check that the socket has room */
if (atomic_read(&sk_tun->sk_wmem_alloc) < sk_tun->sk_sndbuf)
skb_set_owner_w(skb2, sk_tun);
else
goto discard;
/* Setup PPP header */ /* Setup PPP header */
skb_push(skb2, sizeof(ppph)); __skb_push(skb, sizeof(ppph));
skb2->data[0] = ppph[0]; skb->data[0] = ppph[0];
skb2->data[1] = ppph[1]; skb->data[1] = ppph[1];
/* Setup L2TP header */ /* Setup L2TP header */
skb_push(skb2, hdr_len); pppol2tp_build_l2tp_header(session, __skb_push(skb, hdr_len));
pppol2tp_build_l2tp_header(session, skb2->data);
/* Setup UDP header */ /* Setup UDP header */
inet = inet_sk(sk_tun); inet = inet_sk(sk_tun);
skb_push(skb2, sizeof(struct udphdr)); __skb_push(skb, sizeof(*uh));
skb_reset_transport_header(skb2); skb_reset_transport_header(skb);
uh = (struct udphdr *) skb2->data; uh = udp_hdr(skb);
uh->source = inet->sport; uh->source = inet->sport;
uh->dest = inet->dport; uh->dest = inet->dport;
uh->len = htons(sizeof(struct udphdr) + hdr_len + sizeof(ppph) + data_len); uh->len = htons(sizeof(struct udphdr) + hdr_len + sizeof(ppph) + data_len);
uh->check = 0; uh->check = 0;
/* Calculate UDP checksum if configured to do so */ /* *BROKEN* Calculate UDP checksum if configured to do so */
if (sk_tun->sk_no_check != UDP_CSUM_NOXMIT) if (sk_tun->sk_no_check != UDP_CSUM_NOXMIT)
csum = udp_csum_outgoing(sk_tun, skb2); csum = udp_csum_outgoing(sk_tun, skb);
/* Debug */ /* Debug */
if (session->send_seq) if (session->send_seq)
...@@ -1036,7 +1028,7 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) ...@@ -1036,7 +1028,7 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
if (session->debug & PPPOL2TP_MSG_DATA) { if (session->debug & PPPOL2TP_MSG_DATA) {
int i; int i;
unsigned char *datap = skb2->data; unsigned char *datap = skb->data;
printk(KERN_DEBUG "%s: xmit:", session->name); printk(KERN_DEBUG "%s: xmit:", session->name);
for (i = 0; i < data_len; i++) { for (i = 0; i < data_len; i++) {
...@@ -1049,18 +1041,18 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) ...@@ -1049,18 +1041,18 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
printk("\n"); printk("\n");
} }
memset(&(IPCB(skb2)->opt), 0, sizeof(IPCB(skb2)->opt)); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
IPCB(skb2)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED | IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
IPSKB_REROUTED); IPSKB_REROUTED);
nf_reset(skb2); nf_reset(skb);
/* Get routing info from the tunnel socket */ /* Get routing info from the tunnel socket */
dst_release(skb2->dst); dst_release(skb->dst);
skb2->dst = sk_dst_get(sk_tun); skb->dst = sk_dst_get(sk_tun);
/* Queue the packet to IP for output */ /* Queue the packet to IP for output */
len = skb2->len; len = skb->len;
rc = ip_queue_xmit(skb2, 1); rc = ip_queue_xmit(skb, 1);
/* Update stats */ /* Update stats */
if (rc >= 0) { if (rc >= 0) {
...@@ -1073,17 +1065,12 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) ...@@ -1073,17 +1065,12 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
session->stats.tx_errors++; session->stats.tx_errors++;
} }
/* Free the original skb */
kfree_skb(skb);
return 1; return 1;
discard:
/* Free the new skb. Caller will free original skb. */
if (skb2 != skb)
kfree_skb(skb2);
abort: abort:
return 0; /* Free the original skb */
kfree_skb(skb);
return 1;
} }
/***************************************************************************** /*****************************************************************************
...@@ -1326,12 +1313,14 @@ static struct sock *pppol2tp_prepare_tunnel_socket(int fd, u16 tunnel_id, ...@@ -1326,12 +1313,14 @@ static struct sock *pppol2tp_prepare_tunnel_socket(int fd, u16 tunnel_id,
goto err; goto err;
} }
sk = sock->sk;
/* Quick sanity checks */ /* Quick sanity checks */
err = -ESOCKTNOSUPPORT; err = -EPROTONOSUPPORT;
if (sock->type != SOCK_DGRAM) { if (sk->sk_protocol != IPPROTO_UDP) {
PRINTK(-1, PPPOL2TP_MSG_CONTROL, KERN_ERR, PRINTK(-1, PPPOL2TP_MSG_CONTROL, KERN_ERR,
"tunl %hu: fd %d wrong type, got %d, expected %d\n", "tunl %hu: fd %d wrong protocol, got %d, expected %d\n",
tunnel_id, fd, sock->type, SOCK_DGRAM); tunnel_id, fd, sk->sk_protocol, IPPROTO_UDP);
goto err; goto err;
} }
err = -EAFNOSUPPORT; err = -EAFNOSUPPORT;
...@@ -1343,7 +1332,6 @@ static struct sock *pppol2tp_prepare_tunnel_socket(int fd, u16 tunnel_id, ...@@ -1343,7 +1332,6 @@ static struct sock *pppol2tp_prepare_tunnel_socket(int fd, u16 tunnel_id,
} }
err = -ENOTCONN; err = -ENOTCONN;
sk = sock->sk;
/* Check if this socket has already been prepped */ /* Check if this socket has already been prepped */
tunnel = (struct pppol2tp_tunnel *)sk->sk_user_data; tunnel = (struct pppol2tp_tunnel *)sk->sk_user_data;
......
net/netfilter/nfnetlink_log.c
View file @ f685ddaf
...@@ -58,7 +58,6 @@ struct nfulnl_instance { ...@@ -58,7 +58,6 @@ struct nfulnl_instance {
unsigned int qlen; /* number of nlmsgs in skb */ unsigned int qlen; /* number of nlmsgs in skb */
struct sk_buff *skb; /* pre-allocatd skb */ struct sk_buff *skb; /* pre-allocatd skb */
struct nlmsghdr *lastnlh; /* netlink header of last msg in skb */
struct timer_list timer; struct timer_list timer;
int peer_pid; /* PID of the peer process */ int peer_pid; /* PID of the peer process */
...@@ -345,10 +344,12 @@ static struct sk_buff *nfulnl_alloc_skb(unsigned int inst_size, ...@@ -345,10 +344,12 @@ static struct sk_buff *nfulnl_alloc_skb(unsigned int inst_size,
static int static int
__nfulnl_send(struct nfulnl_instance *inst) __nfulnl_send(struct nfulnl_instance *inst)
{ {
int status; int status = -1;
if (inst->qlen > 1) if (inst->qlen > 1)
inst->lastnlh->nlmsg_type = NLMSG_DONE; NLMSG_PUT(inst->skb, 0, 0,
NLMSG_DONE,
sizeof(struct nfgenmsg));
status = nfnetlink_unicast(inst->skb, inst->peer_pid, MSG_DONTWAIT); status = nfnetlink_unicast(inst->skb, inst->peer_pid, MSG_DONTWAIT);
if (status < 0) { if (status < 0) {
...@@ -358,8 +359,8 @@ __nfulnl_send(struct nfulnl_instance *inst) ...@@ -358,8 +359,8 @@ __nfulnl_send(struct nfulnl_instance *inst)
inst->qlen = 0; inst->qlen = 0;
inst->skb = NULL; inst->skb = NULL;
inst->lastnlh = NULL;
nlmsg_failure:
return status; return status;
} }
...@@ -538,7 +539,6 @@ __build_packet_message(struct nfulnl_instance *inst, ...@@ -538,7 +539,6 @@ __build_packet_message(struct nfulnl_instance *inst,
} }
nlh->nlmsg_len = inst->skb->tail - old_tail; nlh->nlmsg_len = inst->skb->tail - old_tail;
inst->lastnlh = nlh;
return 0; return 0;
nlmsg_failure: nlmsg_failure:
...@@ -644,7 +644,8 @@ nfulnl_log_packet(unsigned int pf, ...@@ -644,7 +644,8 @@ nfulnl_log_packet(unsigned int pf,
} }
if (inst->qlen >= qthreshold || if (inst->qlen >= qthreshold ||
(inst->skb && size > skb_tailroom(inst->skb))) { (inst->skb && size >
skb_tailroom(inst->skb) - sizeof(struct nfgenmsg))) {
/* either the queue len is too high or we don't have /* either the queue len is too high or we don't have
* enough room in the skb left. flush to userspace. */ * enough room in the skb left. flush to userspace. */
UDEBUG("flushing old skb\n"); UDEBUG("flushing old skb\n");
......
net/sched/sch_sfq.c
View file @ f685ddaf
...@@ -270,7 +270,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch) ...@@ -270,7 +270,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
q->tail = x; q->tail = x;
} }
} }
if (++sch->q.qlen < q->limit-1) { if (++sch->q.qlen <= q->limit) {
sch->bstats.bytes += skb->len; sch->bstats.bytes += skb->len;
sch->bstats.packets++; sch->bstats.packets++;
return 0; return 0;
...@@ -306,7 +306,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch) ...@@ -306,7 +306,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
q->tail = x; q->tail = x;
} }
} }
if (++sch->q.qlen < q->limit - 1) { if (++sch->q.qlen <= q->limit) {
sch->qstats.requeues++; sch->qstats.requeues++;
return 0; return 0;
} }
...@@ -391,10 +391,10 @@ static int sfq_change(struct Qdisc *sch, struct rtattr *opt) ...@@ -391,10 +391,10 @@ static int sfq_change(struct Qdisc *sch, struct rtattr *opt)
q->quantum = ctl->quantum ? : psched_mtu(sch->dev); q->quantum = ctl->quantum ? : psched_mtu(sch->dev);
q->perturb_period = ctl->perturb_period*HZ; q->perturb_period = ctl->perturb_period*HZ;
if (ctl->limit) if (ctl->limit)
q->limit = min_t(u32, ctl->limit, SFQ_DEPTH); q->limit = min_t(u32, ctl->limit, SFQ_DEPTH - 2);
qlen = sch->q.qlen; qlen = sch->q.qlen;
while (sch->q.qlen >= q->limit-1) while (sch->q.qlen > q->limit)
sfq_drop(sch); sfq_drop(sch);
qdisc_tree_decrease_qlen(sch, qlen - sch->q.qlen); qdisc_tree_decrease_qlen(sch, qlen - sch->q.qlen);
...@@ -423,7 +423,7 @@ static int sfq_init(struct Qdisc *sch, struct rtattr *opt) ...@@ -423,7 +423,7 @@ static int sfq_init(struct Qdisc *sch, struct rtattr *opt)
q->dep[i+SFQ_DEPTH].next = i+SFQ_DEPTH; q->dep[i+SFQ_DEPTH].next = i+SFQ_DEPTH;
q->dep[i+SFQ_DEPTH].prev = i+SFQ_DEPTH; q->dep[i+SFQ_DEPTH].prev = i+SFQ_DEPTH;
} }
q->limit = SFQ_DEPTH; q->limit = SFQ_DEPTH - 2;
q->max_depth = 0; q->max_depth = 0;
q->tail = SFQ_DEPTH; q->tail = SFQ_DEPTH;
if (opt == NULL) { if (opt == NULL) {
......
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