Commit 8a58fc1c authored by Johannes Berg's avatar Johannes Berg
Browse files

wifi: mac80211: relax RCU check in for_each_vif_active_link() 



To iterate the vif links we don't necessarily need to be in an
RCU critical section, it's also possible to hold the sdata/wdev
mutex. Annotate for_each_vif_active_link() accordingly.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarGregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230920211508.858921bd2860.I01f456be8ce2a4fbd15e0d44302e2f7d72e91987@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent c09c4f31

include/net/mac80211.h

+1 −1
Original line number Diff line number Diff line
@@ -1942,7 +1942,7 @@ static inline bool ieee80211_vif_is_mld(const struct ieee80211_vif *vif) 
	for (link_id = 0; link_id < ARRAY_SIZE((vif)->link_conf); link_id++)	\

		if ((!(vif)->active_links ||					\

		     (vif)->active_links & BIT(link_id)) &&			\

		    (link = rcu_dereference((vif)->link_conf[link_id])))

		    (link = link_conf_dereference_check(vif, link_id)))



static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)

{