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Diffstat (limited to 'net/wireless/ibss.c')
-rw-r--r--net/wireless/ibss.c76
1 files changed, 14 insertions, 62 deletions
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index e6fdb0b8187d..9f02ee5f08be 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -3,7 +3,7 @@
* Some IBSS support code for cfg80211.
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2020-2022 Intel Corporation
+ * Copyright (C) 2020-2023 Intel Corporation
*/
#include <linux/etherdevice.h>
@@ -93,7 +93,6 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
int err;
lockdep_assert_held(&rdev->wiphy.mtx);
- ASSERT_WDEV_LOCK(wdev);
if (wdev->u.ibss.ssid_len)
return -EALREADY;
@@ -151,13 +150,13 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
return 0;
}
-static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
+void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
int i;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
kfree_sensitive(wdev->connect_keys);
wdev->connect_keys = NULL;
@@ -187,22 +186,13 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext)
cfg80211_sched_dfs_chan_update(rdev);
}
-void cfg80211_clear_ibss(struct net_device *dev, bool nowext)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
-
- wdev_lock(wdev);
- __cfg80211_clear_ibss(dev, nowext);
- wdev_unlock(wdev);
-}
-
-int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool nowext)
+int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
+ struct net_device *dev, bool nowext)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->u.ibss.ssid_len)
return -ENOLINK;
@@ -213,24 +203,11 @@ int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
return err;
wdev->conn_owner_nlportid = 0;
- __cfg80211_clear_ibss(dev, nowext);
+ cfg80211_clear_ibss(dev, nowext);
return 0;
}
-int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
- struct net_device *dev, bool nowext)
-{
- struct wireless_dev *wdev = dev->ieee80211_ptr;
- int err;
-
- wdev_lock(wdev);
- err = __cfg80211_leave_ibss(rdev, dev, nowext);
- wdev_unlock(wdev);
-
- return err;
-}
-
#ifdef CONFIG_CFG80211_WEXT
int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev)
@@ -239,7 +216,7 @@ int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
enum nl80211_band band;
int i, err;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!wdev->wext.ibss.beacon_interval)
wdev->wext.ibss.beacon_interval = 100;
@@ -336,11 +313,9 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
if (wdev->wext.ibss.chandef.chan == chan)
return 0;
- wdev_lock(wdev);
err = 0;
if (wdev->u.ibss.ssid_len)
- err = __cfg80211_leave_ibss(rdev, dev, true);
- wdev_unlock(wdev);
+ err = cfg80211_leave_ibss(rdev, dev, true);
if (err)
return err;
@@ -354,11 +329,7 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
wdev->wext.ibss.channel_fixed = false;
}
- wdev_lock(wdev);
- err = cfg80211_ibss_wext_join(rdev, wdev);
- wdev_unlock(wdev);
-
- return err;
+ return cfg80211_ibss_wext_join(rdev, wdev);
}
int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
@@ -372,12 +343,10 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC))
return -EINVAL;
- wdev_lock(wdev);
if (wdev->u.ibss.current_bss)
chan = wdev->u.ibss.current_bss->pub.channel;
else if (wdev->wext.ibss.chandef.chan)
chan = wdev->wext.ibss.chandef.chan;
- wdev_unlock(wdev);
if (chan) {
freq->m = chan->center_freq;
@@ -405,11 +374,9 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
if (!rdev->ops->join_ibss)
return -EOPNOTSUPP;
- wdev_lock(wdev);
err = 0;
if (wdev->u.ibss.ssid_len)
- err = __cfg80211_leave_ibss(rdev, dev, true);
- wdev_unlock(wdev);
+ err = cfg80211_leave_ibss(rdev, dev, true);
if (err)
return err;
@@ -422,11 +389,7 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
wdev->wext.ibss.ssid = wdev->u.ibss.ssid;
wdev->wext.ibss.ssid_len = len;
- wdev_lock(wdev);
- err = cfg80211_ibss_wext_join(rdev, wdev);
- wdev_unlock(wdev);
-
- return err;
+ return cfg80211_ibss_wext_join(rdev, wdev);
}
int cfg80211_ibss_wext_giwessid(struct net_device *dev,
@@ -441,7 +404,6 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->flags = 0;
- wdev_lock(wdev);
if (wdev->u.ibss.ssid_len) {
data->flags = 1;
data->length = wdev->u.ibss.ssid_len;
@@ -451,7 +413,6 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
data->length = wdev->wext.ibss.ssid_len;
memcpy(ssid, wdev->wext.ibss.ssid, data->length);
}
- wdev_unlock(wdev);
return 0;
}
@@ -491,11 +452,9 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
ether_addr_equal(bssid, wdev->wext.ibss.bssid))
return 0;
- wdev_lock(wdev);
err = 0;
if (wdev->u.ibss.ssid_len)
- err = __cfg80211_leave_ibss(rdev, dev, true);
- wdev_unlock(wdev);
+ err = cfg80211_leave_ibss(rdev, dev, true);
if (err)
return err;
@@ -506,11 +465,7 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
} else
wdev->wext.ibss.bssid = NULL;
- wdev_lock(wdev);
- err = cfg80211_ibss_wext_join(rdev, wdev);
- wdev_unlock(wdev);
-
- return err;
+ return cfg80211_ibss_wext_join(rdev, wdev);
}
int cfg80211_ibss_wext_giwap(struct net_device *dev,
@@ -525,7 +480,6 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
ap_addr->sa_family = ARPHRD_ETHER;
- wdev_lock(wdev);
if (wdev->u.ibss.current_bss)
memcpy(ap_addr->sa_data, wdev->u.ibss.current_bss->pub.bssid,
ETH_ALEN);
@@ -534,8 +488,6 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
else
eth_zero_addr(ap_addr->sa_data);
- wdev_unlock(wdev);
-
return 0;
}
#endif