Messages in this thread Patch in this message | | | From | madhuparnabhowmik10@gmail ... | Subject | [PATCH] net: mac80211: rx.c: Use built-in RCU list checking | Date | Sat, 22 Feb 2020 15:48:31 +0530 |
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From: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
list_for_each_entry_rcu() has built-in RCU and lock checking.
Pass cond argument to list_for_each_entry_rcu() to silence false lockdep warning when CONFIG_PROVE_RCU_LIST is enabled by default.
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com> --- net/mac80211/rx.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 0e05ff037672..0967bdc75938 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -3547,7 +3547,8 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx, skb->pkt_type = PACKET_OTHERHOST; skb->protocol = htons(ETH_P_802_2); - list_for_each_entry_rcu(sdata, &local->interfaces, list) { + list_for_each_entry_rcu(sdata, &local->interfaces, list, + lockdep_is_held(&rx->local->rx_path_lock)) { if (!ieee80211_sdata_running(sdata)) continue; @@ -4114,7 +4115,8 @@ void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata) lockdep_assert_held(&local->sta_mtx); - list_for_each_entry_rcu(sta, &local->sta_list, list) { + list_for_each_entry_rcu(sta, &local->sta_list, list, + lockdep_is_held(&local->sta_mtx)) { if (sdata != sta->sdata && (!sta->sdata->bss || sta->sdata->bss != sdata->bss)) continue; -- 2.17.1
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