Commit 27d0483a authored by Linus Torvalds's avatar Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (22 commits)
  [IPCONFIG]: The kernel gets no IP from some DHCP servers
  b43legacy: Fix module init message
  rndis_wlan: fix broken data copy
  libertas: compare the current command with response
  libertas: fix sanity check on sequence number in command response
  p54: fix eeprom parser length sanity checks
  p54: fix EEPROM structure endianness
  ssb: Add pcibios_enable_device() return value check
  rc80211-pid: fix rate adjustment
  [ESP]: Add select on AUTHENC
  [TCP]: Improve ipv4 established hash function.
  [NETPOLL]: Revert two bogus cleanups that broke netconsole.
  [PPPOL2TP]: Add missing sock_put() in pppol2tp_tunnel_closeall()
  Subject: [PPPOL2TP] add missing sock_put() in pppol2tp_recv_dequeue()
  [BLUETOOTH]: l2cap info_timer delete fix in hci_conn_del
  [NET]: Fix race in generic address resolution.
  iucv: fix build error on !SMP
  [TCP]: Must count fack_count also when skipping
  [TUN]: Fix RTNL-locking in tun/tap driver
  [SCTP]: Use proc_create to setup de->proc_fops.
  ...
parents 665c1ef8 dea75bdf
......@@ -455,6 +455,7 @@ static void pppol2tp_recv_dequeue(struct pppol2tp_session *session)
skb_queue_len(&session->reorder_q));
__skb_unlink(skb, &session->reorder_q);
kfree_skb(skb);
sock_put(session->sock);
continue;
}
......@@ -1110,6 +1111,8 @@ static void pppol2tp_tunnel_closeall(struct pppol2tp_tunnel *tunnel)
for (hash = 0; hash < PPPOL2TP_HASH_SIZE; hash++) {
again:
hlist_for_each_safe(walk, tmp, &tunnel->session_hlist[hash]) {
struct sk_buff *skb;
session = hlist_entry(walk, struct pppol2tp_session, hlist);
sk = session->sock;
......@@ -1138,7 +1141,10 @@ static void pppol2tp_tunnel_closeall(struct pppol2tp_tunnel *tunnel)
/* Purge any queued data */
skb_queue_purge(&sk->sk_receive_queue);
skb_queue_purge(&sk->sk_write_queue);
skb_queue_purge(&session->reorder_q);
while ((skb = skb_dequeue(&session->reorder_q))) {
kfree_skb(skb);
sock_put(sk);
}
release_sock(sk);
sock_put(sk);
......
......@@ -663,7 +663,11 @@ static int tun_chr_ioctl(struct inode *inode, struct file *file,
case SIOCSIFHWADDR:
{
/* try to set the actual net device's hw address */
int ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
int ret;
rtnl_lock();
ret = dev_set_mac_address(tun->dev, &ifr.ifr_hwaddr);
rtnl_unlock();
if (ret == 0) {
/** Set the character device's hardware address. This is used when
......
......@@ -3829,7 +3829,7 @@ static void b43legacy_print_driverinfo(void)
#ifdef CONFIG_B43LEGACY_DMA
feat_dma = "D";
#endif
printk(KERN_INFO "Broadcom 43xx driver loaded "
printk(KERN_INFO "Broadcom 43xx-legacy driver loaded "
"[ Features: %s%s%s%s%s, Firmware-ID: "
B43legacy_SUPPORTED_FIRMWARE_ID " ]\n",
feat_pci, feat_leds, feat_rfkill, feat_pio, feat_dma);
......
......@@ -562,9 +562,7 @@ int lbs_process_rx_command(struct lbs_private *priv)
}
resp = (void *)priv->upld_buf;
curcmd = le16_to_cpu(resp->command);
curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
respcmd = le16_to_cpu(resp->command);
result = le16_to_cpu(resp->result);
......@@ -572,9 +570,9 @@ int lbs_process_rx_command(struct lbs_private *priv)
respcmd, le16_to_cpu(resp->seqnum), priv->upld_len, jiffies);
lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", (void *) resp, priv->upld_len);
if (resp->seqnum != resp->seqnum) {
if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
lbs_pr_info("Received CMD_RESP with invalid sequence %d (expected %d)\n",
le16_to_cpu(resp->seqnum), le16_to_cpu(resp->seqnum));
le16_to_cpu(resp->seqnum), le16_to_cpu(priv->cur_cmd->cmdbuf->seqnum));
spin_unlock_irqrestore(&priv->driver_lock, flags);
ret = -1;
goto done;
......
......@@ -166,18 +166,23 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
struct p54_common *priv = dev->priv;
struct eeprom_pda_wrap *wrap = NULL;
struct pda_entry *entry;
int i = 0;
unsigned int data_len, entry_len;
void *tmp;
int err;
u8 *end = (u8 *)eeprom + len;
wrap = (struct eeprom_pda_wrap *) eeprom;
entry = (void *)wrap->data + wrap->len;
i += 2;
i += le16_to_cpu(entry->len)*2;
while (i < len) {
entry = (void *)wrap->data + le16_to_cpu(wrap->len);
/* verify that at least the entry length/code fits */
while ((u8 *)entry <= end - sizeof(*entry)) {
entry_len = le16_to_cpu(entry->len);
data_len = ((entry_len - 1) << 1);
/* abort if entry exceeds whole structure */
if ((u8 *)entry + sizeof(*entry) + data_len > end)
break;
switch (le16_to_cpu(entry->code)) {
case PDR_MAC_ADDRESS:
SET_IEEE80211_PERM_ADDR(dev, entry->data);
......@@ -249,13 +254,12 @@ int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len)
priv->version = *(u8 *)(entry->data + 1);
break;
case PDR_END:
i = len;
/* make it overrun */
entry_len = len;
break;
}
entry = (void *)entry + (entry_len + 1)*2;
i += 2;
i += entry_len*2;
}
if (!priv->iq_autocal || !priv->output_limit || !priv->curve_data) {
......
......@@ -53,10 +53,10 @@ struct pda_entry {
} __attribute__ ((packed));
struct eeprom_pda_wrap {
u32 magic;
u16 pad;
u16 len;
u32 arm_opcode;
__le32 magic;
__le16 pad;
__le16 len;
__le32 arm_opcode;
u8 data[0];
} __attribute__ ((packed));
......
......@@ -260,7 +260,7 @@ struct NDIS_802_11_KEY {
__le32 KeyLength;
u8 Bssid[6];
u8 Padding[6];
__le64 KeyRSC;
u8 KeyRSC[8];
u8 KeyMaterial[32];
} __attribute__((packed));
......@@ -1508,7 +1508,7 @@ static int rndis_iw_set_encode_ext(struct net_device *dev,
struct usbnet *usbdev = dev->priv;
struct rndis_wext_private *priv = get_rndis_wext_priv(usbdev);
struct NDIS_802_11_KEY ndis_key;
int i, keyidx, ret;
int keyidx, ret;
u8 *addr;
keyidx = wrqu->encoding.flags & IW_ENCODE_INDEX;
......@@ -1543,9 +1543,7 @@ static int rndis_iw_set_encode_ext(struct net_device *dev,
ndis_key.KeyIndex = cpu_to_le32(keyidx);
if (ext->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
for (i = 0; i < 6; i++)
ndis_key.KeyRSC |=
cpu_to_le64(ext->rx_seq[i] << (i * 8));
memcpy(ndis_key.KeyRSC, ext->rx_seq, 6);
ndis_key.KeyIndex |= cpu_to_le32(1 << 29);
}
......
......@@ -111,7 +111,10 @@ static void __init ssb_fixup_pcibridge(struct pci_dev *dev)
/* Enable PCI bridge bus mastering and memory space */
pci_set_master(dev);
pcibios_enable_device(dev, ~0);
if (pcibios_enable_device(dev, ~0) < 0) {
ssb_printk(KERN_ERR "PCI: SSB bridge enable failed\n");
return;
}
/* Enable PCI bridge BAR1 prefetch and burst */
pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3);
......
......@@ -25,6 +25,7 @@ struct netpoll {
struct netpoll_info {
atomic_t refcnt;
int rx_flags;
spinlock_t rx_lock;
struct netpoll *rx_np; /* netpoll that registered an rx_hook */
struct sk_buff_head arp_tx; /* list of arp requests to reply to */
......@@ -50,12 +51,12 @@ static inline int netpoll_rx(struct sk_buff *skb)
unsigned long flags;
int ret = 0;
if (!npinfo || !npinfo->rx_np)
if (!npinfo || (!npinfo->rx_np && !npinfo->rx_flags))
return 0;
spin_lock_irqsave(&npinfo->rx_lock, flags);
/* check rx_np again with the lock held */
if (npinfo->rx_np && __netpoll_rx(skb))
/* check rx_flags again with the lock held */
if (npinfo->rx_flags && __netpoll_rx(skb))
ret = 1;
spin_unlock_irqrestore(&npinfo->rx_lock, flags);
......
......@@ -175,7 +175,8 @@ extern void build_ehash_secret(void);
static inline unsigned int inet_ehashfn(const __be32 laddr, const __u16 lport,
const __be32 faddr, const __be16 fport)
{
return jhash_2words((__force __u32) laddr ^ (__force __u32) faddr,
return jhash_3words((__force __u32) laddr,
(__force __u32) faddr,
((__u32) lport) << 16 | (__force __u32)fport,
inet_ehash_secret);
}
......
......@@ -417,7 +417,8 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
l2cap_sock_kill(sk);
}
del_timer_sync(&conn->info_timer);
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
del_timer_sync(&conn->info_timer);
hcon->l2cap_data = NULL;
kfree(conn);
......
......@@ -839,7 +839,7 @@ static void neigh_timer_handler(unsigned long arg)
struct sk_buff *skb = skb_peek(&neigh->arp_queue);
/* keep skb alive even if arp_queue overflows */
if (skb)
skb_get(skb);
skb = skb_copy(skb, GFP_ATOMIC);
write_unlock(&neigh->lock);
neigh->ops->solicit(neigh, skb);
atomic_inc(&neigh->probes);
......
......@@ -39,6 +39,8 @@ static struct sk_buff_head skb_pool;
static atomic_t trapped;
#define USEC_PER_POLL 50
#define NETPOLL_RX_ENABLED 1
#define NETPOLL_RX_DROP 2
#define MAX_SKB_SIZE \
(MAX_UDP_CHUNK + sizeof(struct udphdr) + \
......@@ -126,11 +128,13 @@ static int poll_one_napi(struct netpoll_info *npinfo,
if (!test_bit(NAPI_STATE_SCHED, &napi->state))
return budget;
npinfo->rx_flags |= NETPOLL_RX_DROP;
atomic_inc(&trapped);
work = napi->poll(napi, budget);
atomic_dec(&trapped);
npinfo->rx_flags &= ~NETPOLL_RX_DROP;
return budget - work;
}
......@@ -472,7 +476,7 @@ int __netpoll_rx(struct sk_buff *skb)
if (skb->dev->type != ARPHRD_ETHER)
goto out;
/* if receive ARP during middle of NAPI poll, then queue */
/* check if netpoll clients need ARP */
if (skb->protocol == htons(ETH_P_ARP) &&
atomic_read(&trapped)) {
skb_queue_tail(&npi->arp_tx, skb);
......@@ -534,9 +538,6 @@ int __netpoll_rx(struct sk_buff *skb)
return 1;
out:
/* If packet received while already in poll then just
* silently drop.
*/
if (atomic_read(&trapped)) {
kfree_skb(skb);
return 1;
......@@ -675,6 +676,7 @@ int netpoll_setup(struct netpoll *np)
goto release;
}
npinfo->rx_flags = 0;
npinfo->rx_np = NULL;
spin_lock_init(&npinfo->rx_lock);
......@@ -756,6 +758,7 @@ int netpoll_setup(struct netpoll *np)
if (np->rx_hook) {
spin_lock_irqsave(&npinfo->rx_lock, flags);
npinfo->rx_flags |= NETPOLL_RX_ENABLED;
npinfo->rx_np = np;
spin_unlock_irqrestore(&npinfo->rx_lock, flags);
}
......@@ -797,6 +800,7 @@ void netpoll_cleanup(struct netpoll *np)
if (npinfo->rx_np == np) {
spin_lock_irqsave(&npinfo->rx_lock, flags);
npinfo->rx_np = NULL;
npinfo->rx_flags &= ~NETPOLL_RX_ENABLED;
spin_unlock_irqrestore(&npinfo->rx_lock, flags);
}
......
......@@ -343,7 +343,7 @@ config INET_ESP
tristate "IP: ESP transformation"
select XFRM
select CRYPTO
select CRYPTO_AEAD
select CRYPTO_AUTHENC
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_CBC
......
......@@ -753,9 +753,9 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d
printk("Unknown ARP type 0x%04x for device %s\n", dev->type, dev->name);
b->htype = dev->type; /* can cause undefined behavior */
}
/* server_ip and your_ip address are both already zero per RFC2131 */
b->hlen = dev->addr_len;
b->your_ip = NONE;
b->server_ip = NONE;
memcpy(b->hw_addr, dev->dev_addr, dev->addr_len);
b->secs = htons(jiffies_diff / HZ);
b->xid = d->xid;
......
/*
* Binary Increase Congestion control for TCP
*
* Home page:
* http://netsrv.csc.ncsu.edu/twiki/bin/view/Main/BIC
* This is from the implementation of BICTCP in
* Lison-Xu, Kahaled Harfoush, and Injong Rhee.
* "Binary Increase Congestion Control for Fast, Long Distance
* Networks" in InfoComm 2004
* Available from:
* http://www.csc.ncsu.edu/faculty/rhee/export/bitcp.pdf
* http://netsrv.csc.ncsu.edu/export/bitcp.pdf
*
* Unless BIC is enabled and congestion window is large
* this behaves the same as the original Reno.
......
......@@ -1367,7 +1367,7 @@ static struct sk_buff *tcp_sacktag_walk(struct sk_buff *skb, struct sock *sk,
* a normal way
*/
static struct sk_buff *tcp_sacktag_skip(struct sk_buff *skb, struct sock *sk,
u32 skip_to_seq)
u32 skip_to_seq, int *fack_count)
{
tcp_for_write_queue_from(skb, sk) {
if (skb == tcp_send_head(sk))
......@@ -1375,6 +1375,8 @@ static struct sk_buff *tcp_sacktag_skip(struct sk_buff *skb, struct sock *sk,
if (!before(TCP_SKB_CB(skb)->end_seq, skip_to_seq))
break;
*fack_count += tcp_skb_pcount(skb);
}
return skb;
}
......@@ -1390,7 +1392,7 @@ static struct sk_buff *tcp_maybe_skipping_dsack(struct sk_buff *skb,
return skb;
if (before(next_dup->start_seq, skip_to_seq)) {
skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq);
skb = tcp_sacktag_skip(skb, sk, next_dup->start_seq, fack_count);
tcp_sacktag_walk(skb, sk, NULL,
next_dup->start_seq, next_dup->end_seq,
1, fack_count, reord, flag);
......@@ -1537,7 +1539,8 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb,
/* Head todo? */
if (before(start_seq, cache->start_seq)) {
skb = tcp_sacktag_skip(skb, sk, start_seq);
skb = tcp_sacktag_skip(skb, sk, start_seq,
&fack_count);
skb = tcp_sacktag_walk(skb, sk, next_dup,
start_seq,
cache->start_seq,
......@@ -1565,7 +1568,8 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb,
goto walk;
}
skb = tcp_sacktag_skip(skb, sk, cache->end_seq);
skb = tcp_sacktag_skip(skb, sk, cache->end_seq,
&fack_count);
/* Check overlap against next cached too (past this one already) */
cache++;
continue;
......@@ -1577,7 +1581,7 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb,
break;
fack_count = tp->fackets_out;
}
skb = tcp_sacktag_skip(skb, sk, start_seq);
skb = tcp_sacktag_skip(skb, sk, start_seq, &fack_count);
walk:
skb = tcp_sacktag_walk(skb, sk, next_dup, start_seq, end_seq,
......
......@@ -85,7 +85,7 @@ config INET6_ESP
depends on IPV6
select XFRM
select CRYPTO
select CRYPTO_AEAD
select CRYPTO_AUTHENC
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_CBC
......
......@@ -76,9 +76,11 @@ static int __init ircomm_init(void)
#ifdef CONFIG_PROC_FS
{ struct proc_dir_entry *ent;
ent = create_proc_entry("ircomm", 0, proc_irda);
if (ent)
ent->proc_fops = &ircomm_proc_fops;
ent = proc_create("ircomm", 0, proc_irda, &ircomm_proc_fops);
if (!ent) {
printk(KERN_ERR "ircomm_init: can't create /proc entry!\n");
return -ENODEV;
}
}
#endif /* CONFIG_PROC_FS */
......
......@@ -128,13 +128,11 @@ static int __init irlan_init(void)
#ifdef CONFIG_PROC_FS
{ struct proc_dir_entry *proc;
proc = create_proc_entry("irlan", 0, proc_irda);
proc = proc_create("irlan", 0, proc_irda, &irlan_fops);
if (!proc) {
printk(KERN_ERR "irlan_init: can't create /proc entry!\n");
return -ENODEV;
}
proc->proc_fops = &irlan_fops;
}
#endif /* CONFIG_PROC_FS */
......
......@@ -72,11 +72,9 @@ void __init irda_proc_register(void)
return;
proc_irda->owner = THIS_MODULE;
for (i=0; i<ARRAY_SIZE(irda_dirs); i++) {
d = create_proc_entry(irda_dirs[i].name, 0, proc_irda);
if (d)
d->proc_fops = irda_dirs[i].fops;
}
for (i = 0; i < ARRAY_SIZE(irda_dirs); i++)
d = proc_create(irda_dirs[i].name, 0, proc_irda,
irda_dirs[i].fops);
}
/*
......
......@@ -621,7 +621,6 @@ static int iucv_sever_pathid(u16 pathid, u8 userdata[16])
return iucv_call_b2f0(IUCV_SEVER, parm);
}
#ifdef CONFIG_SMP
/**
* __iucv_cleanup_queue
* @dummy: unused dummy argument
......@@ -632,7 +631,6 @@ static int iucv_sever_pathid(u16 pathid, u8 userdata[16])
static void __iucv_cleanup_queue(void *dummy)
{
}
#endif
/**
* iucv_cleanup_queue
......
......@@ -2,7 +2,7 @@
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005, Devicescape Software, Inc.
* Copyright 2007, Mattias Nissler <mattias.nissler@gmx.de>
* Copyright 2007, Stefano Brivio <stefano.brivio@polimi.it>
* Copyright 2007-2008, Stefano Brivio <stefano.brivio@polimi.it>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
......@@ -63,72 +63,66 @@
* RC_PID_ARITH_SHIFT.
*/
/* Shift the adjustment so that we won't switch to a lower rate if it exhibited
* a worse failed frames behaviour and we'll choose the highest rate whose
* failed frames behaviour is not worse than the one of the original rate
* target. While at it, check that the adjustment is within the ranges. Then,
* provide the new rate index. */
static int rate_control_pid_shift_adjust(struct rc_pid_rateinfo *r,
int adj, int cur, int l)
{
int i, j, k, tmp;
j = r[cur].rev_index;
i = j + adj;
if (i < 0)
return r[0].index;
if (i >= l - 1)
return r[l - 1].index;
tmp = i;
if (adj < 0) {
for (k = j; k >= i; k--)
if (r[k].diff <= r[j].diff)
tmp = k;
} else {
for (k = i + 1; k + i < l; k++)
if (r[k].diff <= r[i].diff)
tmp = k;
}
return r[tmp].index;
}
/* Adjust the rate while ensuring that we won't switch to a lower rate if it
* exhibited a worse failed frames behaviour and we'll choose the highest rate
* whose failed frames behaviour is not worse than the one of the original rate
* target. While at it, check that the new rate is valid. */
static void rate_control_pid_adjust_rate(struct ieee80211_local *local,
struct sta_info *sta, int adj,
struct rc_pid_rateinfo *rinfo)
{
struct ieee80211_sub_if_data *sdata;
struct ieee80211_hw_mode *mode;
int newidx;
int maxrate;
int back = (adj > 0) ? 1 : -1;
int cur_sorted, new_sorted, probe, tmp, n_bitrates;
int cur = sta->txrate;
sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev);
mode = local->oper_hw_mode;
maxrate = sdata->bss ? sdata->bss->max_ratectrl_rateidx : -1;
n_bitrates = mode->num_rates;
newidx = rate_control_pid_shift_adjust(rinfo, adj, sta->txrate,
mode->num_rates);
/* Map passed arguments to sorted values. */
cur_sorted = rinfo[cur].rev_index;
new_sorted = cur_sorted + adj;
while (newidx != sta->txrate) {
if (rate_supported(sta, mode, newidx) &&
(maxrate < 0 || newidx <= maxrate)) {
sta->txrate = newidx;
break;
}
/* Check limits. */
if (new_sorted < 0)
new_sorted = rinfo[0].rev_index;
else if (new_sorted >= n_bitrates)
new_sorted = rinfo[n_bitrates - 1].rev_index;
newidx += back;
tmp = new_sorted;
if (adj < 0) {
/* Ensure that the rate decrease isn't disadvantageous. */
for (probe = cur_sorted; probe >= new_sorted; probe--)
if (rinfo[probe].diff <= rinfo[cur_sorted].diff &&
rate_supported(sta, mode, rinfo[probe].index))
tmp = probe;
} else {
/* Look for rate increase with zero (or below) cost. */
for (probe = new_sorted + 1; probe < n_bitrates; probe++)
if (rinfo[probe].diff <= rinfo[new_sorted].diff &&
rate_supported(sta, mode, rinfo[probe].index))
tmp = probe;
}
/* Fit the rate found to the nearest supported rate. */
do {
if (rate_supported(sta, mode, rinfo[tmp].index)) {
sta->txrate = rinfo[tmp].index;
break;
}
if (adj < 0)
tmp--;
else
tmp++;
} while (tmp < n_bitrates && tmp >= 0);
#ifdef CONFIG_MAC80211_DEBUGFS
rate_control_pid_event_rate_change(
&((struct rc_pid_sta_info *)sta->rate_ctrl_priv)->events,
newidx, mode->rates[newidx].rate);
cur, mode->rates[cur].rate);
#endif
}
......
......@@ -256,12 +256,10 @@ int __init sctp_eps_proc_init(void)
{
struct proc_dir_entry *p;
p = create_proc_entry("eps", S_IRUGO, proc_net_sctp);
p = proc_create("eps", S_IRUGO, proc_net_sctp, &sctp_eps_seq_fops);
if (!p)
return -ENOMEM;
p->proc_fops = &sctp_eps_seq_fops;
return 0;
}
......@@ -367,12 +365,11 @@ int __init sctp_assocs_proc_init(void)
{
struct proc_dir_entry *p;
p = create_proc_entry("assocs", S_IRUGO, proc_net_sctp);
p = proc_create("assocs", S_IRUGO, proc_net_sctp,
&sctp_assocs_seq_fops);
if (!p)
return -ENOMEM;
p->proc_fops = &sctp_assocs_seq_fops;
return 0;
}
......
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