diff options
Diffstat (limited to 'net/wireless/ibss.c')
-rw-r--r-- | net/wireless/ibss.c | 76 |
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 |