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: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230920211508.858921bd2860.I01f456be8ce2a4fbd15e0d44302e2f7d72e91987@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-09-20 21:25:15 +03:00
parent c09c4f3199
commit 8a58fc1ce4

View File

@ -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)
{