diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-01-18 23:23:57 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-18 23:23:58 +0100 |
| commit | bde2c0af6141702580a2ccebc396041660d127ef (patch) | |
| tree | a0e081ffdff6b5bfb2ea01eb3f6c123b462c1ae5 /net/wireless/reg.c | |
| parent | net: dsa: mv88e6xxx: also read STU state in mv88e6250_g1_vtu_getnext (diff) | |
| parent | mac80211: check if atf has been disabled in __ieee80211_schedule_txq (diff) | |
| download | linux-bde2c0af6141702580a2ccebc396041660d127ef.tar.xz linux-bde2c0af6141702580a2ccebc396041660d127ef.zip | |
Merge tag 'mac80211-for-net-2021-01-18.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Various fixes:
* kernel-doc parsing fixes
* incorrect debugfs string checks
* locking fix in regulatory
* some encryption-related fixes
* tag 'mac80211-for-net-2021-01-18.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211:
mac80211: check if atf has been disabled in __ieee80211_schedule_txq
mac80211: do not drop tx nulldata packets on encrypted links
mac80211: fix encryption key selection for 802.3 xmit
mac80211: fix fast-rx encryption check
mac80211: fix incorrect strlen of .write in debugfs
cfg80211: fix a kerneldoc markup
cfg80211: Save the regulatory domain with a lock
cfg80211/mac80211: fix kernel-doc for SAR APIs
====================
Link: https://lore.kernel.org/r/20210118204750.7243-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/wireless/reg.c')
| -rw-r--r-- | net/wireless/reg.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c index bb72447ad960..8114bba8556c 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -5,7 +5,7 @@ * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2017 Intel Deutschland GmbH - * Copyright (C) 2018 - 2019 Intel Corporation + * Copyright (C) 2018 - 2021 Intel Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -139,6 +139,11 @@ static const struct ieee80211_regdomain *get_cfg80211_regdom(void) return rcu_dereference_rtnl(cfg80211_regdomain); } +/* + * Returns the regulatory domain associated with the wiphy. + * + * Requires either RTNL or RCU protection + */ const struct ieee80211_regdomain *get_wiphy_regdom(struct wiphy *wiphy) { return rcu_dereference_rtnl(wiphy->regd); @@ -2571,9 +2576,13 @@ void wiphy_apply_custom_regulatory(struct wiphy *wiphy, if (IS_ERR(new_regd)) return; + rtnl_lock(); + tmp = get_wiphy_regdom(wiphy); rcu_assign_pointer(wiphy->regd, new_regd); rcu_free_regdom(tmp); + + rtnl_unlock(); } EXPORT_SYMBOL(wiphy_apply_custom_regulatory); |