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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c178
1 files changed, 36 insertions, 142 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 5bcf3a5b6465..74cdb1a0cf31 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -59,7 +59,7 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
int wiphy_idx = -1;
int ifidx = -1;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
if (!have_ifidx && !have_wdev_id)
return ERR_PTR(-EINVAL);
@@ -80,7 +80,6 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
if (have_wdev_id && rdev->wiphy_idx != wiphy_idx)
continue;
- mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (have_ifidx && wdev->netdev &&
wdev->netdev->ifindex == ifidx) {
@@ -92,7 +91,6 @@ __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
break;
}
}
- mutex_unlock(&rdev->devlist_mtx);
if (result)
break;
@@ -109,7 +107,7 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
struct cfg80211_registered_device *rdev = NULL, *tmp;
struct net_device *netdev;
- assert_cfg80211_lock();
+ ASSERT_RTNL();
if (!attrs[NL80211_ATTR_WIPHY] &&
!attrs[NL80211_ATTR_IFINDEX] &&
@@ -128,14 +126,12 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32);
if (tmp) {
/* make sure wdev exists */
- mutex_lock(&tmp->devlist_mtx);
list_for_each_entry(wdev, &tmp->wdev_list, list) {
if (wdev->identifier != (u32)wdev_id)
continue;
found = true;
break;
}
- mutex_unlock(&tmp->devlist_mtx);
if (!found)
tmp = NULL;
@@ -182,19 +178,6 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
/*
* This function returns a pointer to the driver
* that the genl_info item that is passed refers to.
- * If successful, it returns non-NULL and also locks
- * the driver's mutex!
- *
- * This means that you need to call cfg80211_unlock_rdev()
- * before being allowed to acquire &cfg80211_mutex!
- *
- * This is necessary because we need to lock the global
- * mutex to get an item off the list safely, and then
- * we lock the rdev mutex so it doesn't go away under us.
- *
- * We don't want to keep cfg80211_mutex locked
- * for all the time in order to allow requests on
- * other interfaces to go through at the same time.
*
* The result of this can be a PTR_ERR and hence must
* be checked with IS_ERR() for errors.
@@ -202,20 +185,7 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
static struct cfg80211_registered_device *
cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
-
- mutex_lock(&cfg80211_mutex);
- rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
-
- /* if it is not an error we grab the lock on
- * it to assure it won't be going away while
- * we operate on it */
- if (!IS_ERR(rdev))
- mutex_lock(&rdev->mtx);
-
- mutex_unlock(&cfg80211_mutex);
-
- return rdev;
+ return __cfg80211_rdev_from_attrs(netns, info->attrs);
}
/* policy for the attributes */
@@ -456,7 +426,6 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
int err;
rtnl_lock();
- mutex_lock(&cfg80211_mutex);
if (!cb->args[0]) {
err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
@@ -485,14 +454,12 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
*rdev = wiphy_to_dev(wiphy);
*wdev = NULL;
- mutex_lock(&(*rdev)->devlist_mtx);
list_for_each_entry(tmp, &(*rdev)->wdev_list, list) {
if (tmp->identifier == cb->args[1]) {
*wdev = tmp;
break;
}
}
- mutex_unlock(&(*rdev)->devlist_mtx);
if (!*wdev) {
err = -ENODEV;
@@ -500,19 +467,14 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
}
}
- cfg80211_lock_rdev(*rdev);
-
- mutex_unlock(&cfg80211_mutex);
return 0;
out_unlock:
- mutex_unlock(&cfg80211_mutex);
rtnl_unlock();
return err;
}
static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev)
{
- cfg80211_unlock_rdev(rdev);
rtnl_unlock();
}
@@ -1568,7 +1530,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
struct nlattr **tb = nl80211_fam.attrbuf;
int res;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
res = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize,
tb, nl80211_fam.maxattr, nl80211_policy);
if (res == 0) {
@@ -1582,10 +1544,8 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
netdev = dev_get_by_index(sock_net(skb->sk), ifidx);
- if (!netdev) {
- mutex_unlock(&cfg80211_mutex);
+ if (!netdev)
return -ENODEV;
- }
if (netdev->ieee80211_ptr) {
dev = wiphy_to_dev(
netdev->ieee80211_ptr->wiphy);
@@ -1629,7 +1589,6 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
!skb->len &&
cb->min_dump_alloc < 4096) {
cb->min_dump_alloc = 4096;
- mutex_unlock(&cfg80211_mutex);
return 1;
}
idx--;
@@ -1638,7 +1597,7 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
} while (cb->args[1] > 0);
break;
}
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
cb->args[0] = idx;
@@ -1793,7 +1752,6 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
if (result)
return result;
- mutex_lock(&rdev->devlist_mtx);
switch (iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
@@ -1817,7 +1775,6 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
default:
result = -EINVAL;
}
- mutex_unlock(&rdev->devlist_mtx);
return result;
}
@@ -1866,6 +1823,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
u32 frag_threshold = 0, rts_threshold = 0;
u8 coverage_class = 0;
+ ASSERT_RTNL();
+
/*
* Try to find the wiphy and netdev. Normally this
* function shouldn't need the netdev, but this is
@@ -1875,31 +1834,25 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
* also passed a netdev to set_wiphy, so that it is
* possible to let that go to the right netdev!
*/
- mutex_lock(&cfg80211_mutex);
if (info->attrs[NL80211_ATTR_IFINDEX]) {
int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
netdev = dev_get_by_index(genl_info_net(info), ifindex);
- if (netdev && netdev->ieee80211_ptr) {
+ if (netdev && netdev->ieee80211_ptr)
rdev = wiphy_to_dev(netdev->ieee80211_ptr->wiphy);
- mutex_lock(&rdev->mtx);
- } else
+ else
netdev = NULL;
}
if (!netdev) {
rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
info->attrs);
- if (IS_ERR(rdev)) {
- mutex_unlock(&cfg80211_mutex);
+ if (IS_ERR(rdev))
return PTR_ERR(rdev);
- }
wdev = NULL;
netdev = NULL;
result = 0;
-
- mutex_lock(&rdev->mtx);
} else
wdev = netdev->ieee80211_ptr;
@@ -1912,8 +1865,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
result = cfg80211_dev_rename(
rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
- mutex_unlock(&cfg80211_mutex);
-
if (result)
goto bad_res;
@@ -2120,7 +2071,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
}
bad_res:
- mutex_unlock(&rdev->mtx);
if (netdev)
dev_put(netdev);
return result;
@@ -2218,7 +2168,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
struct cfg80211_registered_device *rdev;
struct wireless_dev *wdev;
- mutex_lock(&cfg80211_mutex);
+ rtnl_lock();
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk)))
continue;
@@ -2228,7 +2178,6 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
}
if_idx = 0;
- mutex_lock(&rdev->devlist_mtx);
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (if_idx < if_start) {
if_idx++;
@@ -2237,17 +2186,15 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
rdev, wdev) < 0) {
- mutex_unlock(&rdev->devlist_mtx);
goto out;
}
if_idx++;
}
- mutex_unlock(&rdev->devlist_mtx);
wp_idx++;
}
out:
- mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
cb->args[0] = wp_idx;
cb->args[1] = if_idx;
@@ -2480,11 +2427,9 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
- mutex_lock(&rdev->devlist_mtx);
wdev->identifier = ++rdev->wdev_id;
list_add_rcu(&wdev->list, &rdev->wdev_list);
rdev->devlist_generation++;
- mutex_unlock(&rdev->devlist_mtx);
break;
default:
break;
@@ -2993,8 +2938,6 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev;
bool ret = false;
- mutex_lock(&rdev->devlist_mtx);
-
list_for_each_entry(wdev, &rdev->wdev_list, list) {
if (wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO)
@@ -3008,8 +2951,6 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
break;
}
- mutex_unlock(&rdev->devlist_mtx);
-
return ret;
}
@@ -3171,13 +3112,10 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params.radar_required = true;
}
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
params.chandef.chan,
CHAN_MODE_SHARED,
radar_detect_width);
- mutex_unlock(&rdev->devlist_mtx);
-
if (err)
return err;
@@ -4914,18 +4852,13 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
void *hdr = NULL;
struct nlattr *nl_reg_rules;
unsigned int i;
- int err = -EINVAL;
-
- mutex_lock(&cfg80211_mutex);
if (!cfg80211_regdomain)
- goto out;
+ return -EINVAL;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg) {
- err = -ENOBUFS;
- goto out;
- }
+ if (!msg)
+ return -ENOBUFS;
hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0,
NL80211_CMD_GET_REG);
@@ -4984,8 +4917,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info)
nla_nest_end(msg, nl_reg_rules);
genlmsg_end(msg, hdr);
- err = genlmsg_reply(msg, info);
- goto out;
+ return genlmsg_reply(msg, info);
nla_put_failure_rcu:
rcu_read_unlock();
@@ -4993,10 +4925,7 @@ nla_put_failure:
genlmsg_cancel(msg, hdr);
put_failure:
nlmsg_free(msg);
- err = -EMSGSIZE;
-out:
- mutex_unlock(&cfg80211_mutex);
- return err;
+ return -EMSGSIZE;
}
static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
@@ -5062,12 +4991,9 @@ static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info)
}
}
- mutex_lock(&cfg80211_mutex);
-
r = set_regdom(rd);
/* set_regdom took ownership */
rd = NULL;
- mutex_unlock(&cfg80211_mutex);
bad_reg:
kfree(rd);
@@ -5117,7 +5043,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->scan)
return -EOPNOTSUPP;
- mutex_lock(&rdev->sched_scan_mtx);
if (rdev->scan_req) {
err = -EBUSY;
goto unlock;
@@ -5303,7 +5228,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
}
unlock:
- mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -5375,8 +5299,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (ie_len > wiphy->max_sched_scan_ie_len)
return -EINVAL;
- mutex_lock(&rdev->sched_scan_mtx);
-
if (rdev->sched_scan_req) {
err = -EINPROGRESS;
goto out;
@@ -5544,7 +5466,6 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
out_free:
kfree(request);
out:
- mutex_unlock(&rdev->sched_scan_mtx);
return err;
}
@@ -5552,17 +5473,12 @@ static int nl80211_stop_sched_scan(struct sk_buff *skb,
struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- int err;
if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_SCHED_SCAN) ||
!rdev->ops->sched_scan_stop)
return -EOPNOTSUPP;
- mutex_lock(&rdev->sched_scan_mtx);
- err = __cfg80211_stop_sched_scan(rdev, false);
- mutex_unlock(&rdev->sched_scan_mtx);
-
- return err;
+ return __cfg80211_stop_sched_scan(rdev, false);
}
static int nl80211_start_radar_detection(struct sk_buff *skb,
@@ -5594,12 +5510,11 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
if (!rdev->ops->start_radar_detection)
return -EOPNOTSUPP;
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype,
chandef.chan, CHAN_MODE_SHARED,
BIT(chandef.width));
if (err)
- goto err_locked;
+ return err;
err = rdev->ops->start_radar_detection(&rdev->wiphy, dev, &chandef);
if (!err) {
@@ -5607,9 +5522,6 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
wdev->cac_started = true;
wdev->cac_start_time = jiffies;
}
-err_locked:
- mutex_unlock(&rdev->devlist_mtx);
-
return err;
}
@@ -6472,6 +6384,8 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
void *data = NULL;
int data_len = 0;
+ rtnl_lock();
+
if (cb->args[0]) {
/*
* 0 is a valid index, but not valid for args[0],
@@ -6483,18 +6397,16 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
nl80211_fam.attrbuf, nl80211_fam.maxattr,
nl80211_policy);
if (err)
- return err;
+ goto out_err;
- mutex_lock(&cfg80211_mutex);
rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
nl80211_fam.attrbuf);
if (IS_ERR(rdev)) {
- mutex_unlock(&cfg80211_mutex);
- return PTR_ERR(rdev);
+ err = PTR_ERR(rdev);
+ goto out_err;
}
phy_idx = rdev->wiphy_idx;
rdev = NULL;
- mutex_unlock(&cfg80211_mutex);
if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
cb->args[1] =
@@ -6506,14 +6418,11 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
data_len = nla_len((void *)cb->args[1]);
}
- mutex_lock(&cfg80211_mutex);
rdev = cfg80211_rdev_by_wiphy_idx(phy_idx);
if (!rdev) {
- mutex_unlock(&cfg80211_mutex);
- return -ENOENT;
+ err = -ENOENT;
+ goto out_err;
}
- cfg80211_lock_rdev(rdev);
- mutex_unlock(&cfg80211_mutex);
if (!rdev->ops->testmode_dump) {
err = -EOPNOTSUPP;
@@ -6554,7 +6463,7 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
/* see above */
cb->args[0] = phy_idx + 1;
out_err:
- cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
return err;
}
@@ -8189,9 +8098,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (wdev->p2p_started)
return 0;
- mutex_lock(&rdev->devlist_mtx);
err = cfg80211_can_add_interface(rdev, wdev->iftype);
- mutex_unlock(&rdev->devlist_mtx);
if (err)
return err;
@@ -8200,9 +8107,7 @@ static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info)
return err;
wdev->p2p_started = true;
- mutex_lock(&rdev->devlist_mtx);
rdev->opencount++;
- mutex_unlock(&rdev->devlist_mtx);
return 0;
}
@@ -8218,11 +8123,7 @@ static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->stop_p2p_device)
return -EOPNOTSUPP;
- mutex_lock(&rdev->devlist_mtx);
- mutex_lock(&rdev->sched_scan_mtx);
cfg80211_stop_p2p_device(rdev, wdev);
- mutex_unlock(&rdev->sched_scan_mtx);
- mutex_unlock(&rdev->devlist_mtx);
return 0;
}
@@ -8365,11 +8266,11 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
info->user_ptr[0] = rdev;
} else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
- mutex_lock(&cfg80211_mutex);
+ ASSERT_RTNL();
+
wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
info->attrs);
if (IS_ERR(wdev)) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return PTR_ERR(wdev);
@@ -8380,7 +8281,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
if (!dev) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -EINVAL;
@@ -8394,7 +8294,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
if (dev) {
if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
!netif_running(dev)) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
@@ -8403,17 +8302,12 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
dev_hold(dev);
} else if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP) {
if (!wdev->p2p_started) {
- mutex_unlock(&cfg80211_mutex);
if (rtnl)
rtnl_unlock();
return -ENETDOWN;
}
}
- cfg80211_lock_rdev(rdev);
-
- mutex_unlock(&cfg80211_mutex);
-
info->user_ptr[0] = rdev;
}
@@ -8423,8 +8317,6 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb,
static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
{
- if (info->user_ptr[0])
- cfg80211_unlock_rdev(info->user_ptr[0]);
if (info->user_ptr[1]) {
if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
struct wireless_dev *wdev = info->user_ptr[1];
@@ -8446,7 +8338,8 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_wiphy,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WIPHY,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_WIPHY,
@@ -8461,7 +8354,8 @@ static struct genl_ops nl80211_ops[] = {
.dumpit = nl80211_dump_interface,
.policy = nl80211_policy,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WDEV,
+ .internal_flags = NL80211_FLAG_NEED_WDEV |
+ NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_SET_INTERFACE,
@@ -8620,6 +8514,7 @@ static struct genl_ops nl80211_ops[] = {
.cmd = NL80211_CMD_GET_REG,
.doit = nl80211_get_reg,
.policy = nl80211_policy,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
/* can be retrieved by unprivileged users */
},
{
@@ -8627,6 +8522,7 @@ static struct genl_ops nl80211_ops[] = {
.doit = nl80211_set_reg,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
+ .internal_flags = NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_REQ_SET_REG,
@@ -9082,8 +8978,6 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
struct nlattr *nest;
int i;
- lockdep_assert_held(&rdev->sched_scan_mtx);
-
if (WARN_ON(!req))
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 19:42:07 +0000