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-rw-r--r--net/wireless/nl80211.c111
-rw-r--r--net/wireless/reg.c2
-rw-r--r--net/wireless/scan.c7
-rw-r--r--net/wireless/sme.c13
-rw-r--r--net/wireless/util.c15
-rw-r--r--net/wireless/wext-compat.c6
6 files changed, 76 insertions, 78 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4fa555e4dedc..7a742594916e 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5257,12 +5257,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
goto unlock;
}
} else {
- enum ieee80211_band band;
- n_channels = 0;
-
- for (band = 0; band < IEEE80211_NUM_BANDS; band++)
- if (wiphy->bands[band])
- n_channels += wiphy->bands[band]->n_channels;
+ n_channels = ieee80211_get_num_supported_channels(wiphy);
}
if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
@@ -5470,11 +5465,7 @@ static int nl80211_start_sched_scan(struct sk_buff *skb,
if (!n_channels)
return -EINVAL;
} else {
- n_channels = 0;
-
- for (band = 0; band < IEEE80211_NUM_BANDS; band++)
- if (wiphy->bands[band])
- n_channels += wiphy->bands[band]->n_channels;
+ n_channels = ieee80211_get_num_supported_channels(wiphy);
}
if (info->attrs[NL80211_ATTR_SCAN_SSIDS])
@@ -6767,6 +6758,55 @@ __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev,
return NULL;
}
+struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
+ enum nl80211_commands cmd,
+ enum nl80211_attrs attr,
+ int vendor_event_idx,
+ int approxlen, gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ const struct nl80211_vendor_cmd_info *info;
+
+ switch (cmd) {
+ case NL80211_CMD_TESTMODE:
+ if (WARN_ON(vendor_event_idx != -1))
+ return NULL;
+ info = NULL;
+ break;
+ case NL80211_CMD_VENDOR:
+ if (WARN_ON(vendor_event_idx < 0 ||
+ vendor_event_idx >= wiphy->n_vendor_events))
+ return NULL;
+ info = &wiphy->vendor_events[vendor_event_idx];
+ break;
+ default:
+ WARN_ON(1);
+ return NULL;
+ }
+
+ return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
+ cmd, attr, info, gfp);
+}
+EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
+
+void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
+{
+ struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
+ void *hdr = ((void **)skb->cb)[1];
+ struct nlattr *data = ((void **)skb->cb)[2];
+ enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
+
+ nla_nest_end(skb, data);
+ genlmsg_end(skb, hdr);
+
+ if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
+ mcgrp = NL80211_MCGRP_VENDOR;
+
+ genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
+ mcgrp, gfp);
+}
+EXPORT_SYMBOL(__cfg80211_send_event_skb);
+
#ifdef CONFIG_NL80211_TESTMODE
static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
{
@@ -6893,55 +6933,6 @@ static int nl80211_testmode_dump(struct sk_buff *skb,
rtnl_unlock();
return err;
}
-
-struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
- enum nl80211_commands cmd,
- enum nl80211_attrs attr,
- int vendor_event_idx,
- int approxlen, gfp_t gfp)
-{
- struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
- const struct nl80211_vendor_cmd_info *info;
-
- switch (cmd) {
- case NL80211_CMD_TESTMODE:
- if (WARN_ON(vendor_event_idx != -1))
- return NULL;
- info = NULL;
- break;
- case NL80211_CMD_VENDOR:
- if (WARN_ON(vendor_event_idx < 0 ||
- vendor_event_idx >= wiphy->n_vendor_events))
- return NULL;
- info = &wiphy->vendor_events[vendor_event_idx];
- break;
- default:
- WARN_ON(1);
- return NULL;
- }
-
- return __cfg80211_alloc_vendor_skb(rdev, approxlen, 0, 0,
- cmd, attr, info, gfp);
-}
-EXPORT_SYMBOL(__cfg80211_alloc_event_skb);
-
-void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp)
-{
- struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
- void *hdr = ((void **)skb->cb)[1];
- struct nlattr *data = ((void **)skb->cb)[2];
- enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE;
-
- nla_nest_end(skb, data);
- genlmsg_end(skb, hdr);
-
- if (data->nla_type == NL80211_ATTR_VENDOR_DATA)
- mcgrp = NL80211_MCGRP_VENDOR;
-
- genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0,
- mcgrp, gfp);
-}
-EXPORT_SYMBOL(__cfg80211_send_event_skb);
#endif
static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 7d20d844ca60..9b897fca7487 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1853,6 +1853,8 @@ int regulatory_hint(struct wiphy *wiphy, const char *alpha2)
if (WARN_ON(!alpha2 || !wiphy))
return -EINVAL;
+ wiphy->regulatory_flags &= ~REGULATORY_CUSTOM_REG;
+
request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL);
if (!request)
return -ENOMEM;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index a32d52a04c27..b528e31da2cf 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1089,11 +1089,8 @@ int cfg80211_wext_siwscan(struct net_device *dev,
/* Determine number of channels, needed to allocate creq */
if (wreq && wreq->num_channels)
n_channels = wreq->num_channels;
- else {
- for (band = 0; band < IEEE80211_NUM_BANDS; band++)
- if (wiphy->bands[band])
- n_channels += wiphy->bands[band]->n_channels;
- }
+ else
+ n_channels = ieee80211_get_num_supported_channels(wiphy);
creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) +
n_channels * sizeof(void *),
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 5d6e7bb2fc89..a63509118508 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -70,18 +70,11 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
if (rdev->scan_req)
return -EBUSY;
- if (wdev->conn->params.channel) {
+ if (wdev->conn->params.channel)
n_channels = 1;
- } else {
- enum ieee80211_band band;
- n_channels = 0;
+ else
+ n_channels = ieee80211_get_num_supported_channels(wdev->wiphy);
- for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
- if (!wdev->wiphy->bands[band])
- continue;
- n_channels += wdev->wiphy->bands[band]->n_channels;
- }
- }
request = kzalloc(sizeof(*request) + sizeof(request->ssids[0]) +
sizeof(request->channels[0]) * n_channels,
GFP_KERNEL);
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 5618888853b2..d39c37104ae2 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -879,7 +879,9 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
dev->ieee80211_ptr->use_4addr = false;
dev->ieee80211_ptr->mesh_id_up_len = 0;
+ wdev_lock(dev->ieee80211_ptr);
rdev_set_qos_map(rdev, dev, NULL);
+ wdev_unlock(dev->ieee80211_ptr);
switch (otype) {
case NL80211_IFTYPE_AP:
@@ -1479,6 +1481,19 @@ int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
return 0;
}
+unsigned int ieee80211_get_num_supported_channels(struct wiphy *wiphy)
+{
+ enum ieee80211_band band;
+ unsigned int n_channels = 0;
+
+ for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+ if (wiphy->bands[band])
+ n_channels += wiphy->bands[band]->n_channels;
+
+ return n_channels;
+}
+EXPORT_SYMBOL(ieee80211_get_num_supported_channels);
+
/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
const unsigned char rfc1042_header[] __aligned(2) =
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index e7c6e862580d..5661a54ac7ee 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -370,7 +370,7 @@ static int cfg80211_wext_siwretry(struct net_device *dev,
u8 oshort = wdev->wiphy->retry_short;
int err;
- if (retry->disabled ||
+ if (retry->disabled || retry->value < 1 || retry->value > 255 ||
(retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
return -EINVAL;
@@ -412,9 +412,9 @@ int cfg80211_wext_giwretry(struct net_device *dev,
* First return short value, iwconfig will ask long value
* later if needed
*/
- retry->flags |= IW_RETRY_LIMIT;
+ retry->flags |= IW_RETRY_LIMIT | IW_RETRY_SHORT;
retry->value = wdev->wiphy->retry_short;
- if (wdev->wiphy->retry_long != wdev->wiphy->retry_short)
+ if (wdev->wiphy->retry_long == wdev->wiphy->retry_short)
retry->flags |= IW_RETRY_LONG;
return 0;
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