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[v2,05/18] wifi: mac80211: allow for_each_sta_active_link() under RCU

Message ID 20230920211508.73c3e04985f4.I52ef396d693e0e381a73eade06850137d8900948@changeid
State New
Headers show
Series [v2,01/18] wifi: mac80211: use bandwidth indication element for CSA | expand

Commit Message

Greenman, Gregory Sept. 20, 2023, 6:25 p.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

Since we only use this to protect the dereference and with
STA mutex, we can also allow this with just RCU.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 include/net/mac80211.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 7aea4787e62b..be3d74942a4a 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2393,7 +2393,7 @@  static inline bool lockdep_sta_mutex_held(struct ieee80211_sta *pubsta)
 	for (link_id = 0; link_id < ARRAY_SIZE((sta)->link); link_id++)		\
 		if ((!(vif)->active_links ||					\
 		     (vif)->active_links & BIT(link_id)) &&			\
-		    ((link_sta) = link_sta_dereference_protected(sta, link_id)))
+		    ((link_sta) = link_sta_dereference_check(sta, link_id)))
 
 /**
  * enum sta_notify_cmd - sta notify command