diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2022-09-02 16:12:52 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2022-09-06 10:14:45 +0200 |
| commit | 65fd846cb3f94ae63134fbd0f32564cf82539eaa (patch) | |
| tree | 1aa2072bd6c880a57f591acceacce8e0cd25c0d8 /net/mac80211/sta_info.c | |
| parent | 5fc8cea93e125686369efd478ff7670d0ddc13b6 (diff) | |
wifi: mac80211: add vif/sta link RCU dereference macros
Add macros (and an exported function) to allow checking some
link RCU protected accesses that are happening in callbacks
from mac80211 and are thus under the correct lock.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/sta_info.c')
| -rw-r--r-- | net/mac80211/sta_info.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index bbf582a5702d..4875bd8af67c 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -2871,3 +2871,13 @@ void ieee80211_sta_set_max_amsdu_subframes(struct sta_info *sta, if (val) sta->sta.max_amsdu_subframes = 4 << val; } + +#ifdef CONFIG_LOCKDEP +bool lockdep_sta_mutex_held(struct ieee80211_sta *pubsta) +{ + struct sta_info *sta = container_of(pubsta, struct sta_info, sta); + + return lockdep_is_held(&sta->local->sta_mtx); +} +EXPORT_SYMBOL(lockdep_sta_mutex_held); +#endif |