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-rw-r--r--net/wireless/chan.c2
-rw-r--r--net/wireless/core.c4
-rw-r--r--net/wireless/core.h2
-rw-r--r--net/wireless/nl80211.c69
-rw-r--r--net/wireless/util.c2
5 files changed, 41 insertions, 38 deletions
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index 2fcfe0993ca..884801ac4dd 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -45,7 +45,7 @@ rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
return chan;
}
-int cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
+bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type)
{
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 39f2538a46f..a87d4355297 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -664,7 +664,7 @@ void wiphy_unregister(struct wiphy *wiphy)
mutex_lock(&rdev->devlist_mtx);
__count = rdev->opencount;
mutex_unlock(&rdev->devlist_mtx);
- __count == 0;}));
+ __count == 0; }));
mutex_lock(&rdev->devlist_mtx);
BUG_ON(!list_empty(&rdev->netdev_list));
@@ -776,7 +776,7 @@ static struct device_type wiphy_type = {
.name = "wlan",
};
-static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
+static int cfg80211_netdev_notifier_call(struct notifier_block *nb,
unsigned long state,
void *ndev)
{
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 3ac2dd00d71..8523f387867 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -445,8 +445,6 @@ int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev, int freq,
enum nl80211_channel_type channel_type);
-u16 cfg80211_calculate_bitrate(struct rate_info *rate);
-
int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
const u8 *rates, unsigned int n_rates,
u32 *mask);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index b67b1114e25..206465dc0ca 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1179,6 +1179,27 @@ static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev)
wdev->iftype == NL80211_IFTYPE_P2P_GO;
}
+static bool nl80211_valid_channel_type(struct genl_info *info,
+ enum nl80211_channel_type *channel_type)
+{
+ enum nl80211_channel_type tmp;
+
+ if (!info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
+ return false;
+
+ tmp = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ if (tmp != NL80211_CHAN_NO_HT &&
+ tmp != NL80211_CHAN_HT20 &&
+ tmp != NL80211_CHAN_HT40PLUS &&
+ tmp != NL80211_CHAN_HT40MINUS)
+ return false;
+
+ if (channel_type)
+ *channel_type = tmp;
+
+ return true;
+}
+
static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev,
struct genl_info *info)
@@ -1193,15 +1214,9 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev,
if (!nl80211_can_set_dev_channel(wdev))
return -EOPNOTSUPP;
- if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
- channel_type = nla_get_u32(info->attrs[
- NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
- if (channel_type != NL80211_CHAN_NO_HT &&
- channel_type != NL80211_CHAN_HT20 &&
- channel_type != NL80211_CHAN_HT40PLUS &&
- channel_type != NL80211_CHAN_HT40MINUS)
- return -EINVAL;
- }
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
+ !nl80211_valid_channel_type(info, &channel_type))
+ return -EINVAL;
freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
@@ -2410,10 +2425,16 @@ static int parse_station_flags(struct genl_info *info,
return -EINVAL;
}
- for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
- if (flags[flag])
+ for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) {
+ if (flags[flag]) {
params->sta_flags_set |= (1<<flag);
+ /* no longer support new API additions in old API */
+ if (flag > NL80211_STA_FLAG_MAX_OLD_API)
+ return -EINVAL;
+ }
+ }
+
return 0;
}
@@ -4912,12 +4933,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
enum nl80211_channel_type channel_type;
- channel_type = nla_get_u32(
- info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
- if (channel_type != NL80211_CHAN_NO_HT &&
- channel_type != NL80211_CHAN_HT20 &&
- channel_type != NL80211_CHAN_HT40MINUS &&
- channel_type != NL80211_CHAN_HT40PLUS)
+ if (!nl80211_valid_channel_type(info, &channel_type))
return -EINVAL;
if (channel_type != NL80211_CHAN_NO_HT &&
@@ -5485,15 +5501,9 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
!(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL))
return -EOPNOTSUPP;
- if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
- channel_type = nla_get_u32(
- info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
- if (channel_type != NL80211_CHAN_NO_HT &&
- channel_type != NL80211_CHAN_HT20 &&
- channel_type != NL80211_CHAN_HT40PLUS &&
- channel_type != NL80211_CHAN_HT40MINUS)
- return -EINVAL;
- }
+ if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] &&
+ !nl80211_valid_channel_type(info, &channel_type))
+ return -EINVAL;
freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
chan = rdev_freq_to_chan(rdev, freq, channel_type);
@@ -5764,12 +5774,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
}
if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
- channel_type = nla_get_u32(
- info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
- if (channel_type != NL80211_CHAN_NO_HT &&
- channel_type != NL80211_CHAN_HT20 &&
- channel_type != NL80211_CHAN_HT40PLUS &&
- channel_type != NL80211_CHAN_HT40MINUS)
+ if (!nl80211_valid_channel_type(info, &channel_type))
return -EINVAL;
channel_type_valid = true;
}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 1cd255892a4..55d99466bab 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -879,7 +879,7 @@ u16 cfg80211_calculate_bitrate(struct rate_info *rate)
return rate->legacy;
/* the formula below does only work for MCS values smaller than 32 */
- if (rate->mcs >= 32)
+ if (WARN_ON_ONCE(rate->mcs >= 32))
return 0;
modulation = rate->mcs & 7;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-01 18:43:54 +0000