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path: root/drivers/net/wireless/mac80211_hwsim.c
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Diffstat (limited to 'drivers/net/wireless/mac80211_hwsim.c')
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index afdf48550588..2f746eb64507 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2202,11 +2202,14 @@ mac80211_hwsim_sta_rc_update(struct ieee80211_hw *hw,
if (!data->use_chanctx) {
confbw = data->bw;
} else {
- struct ieee80211_chanctx_conf *chanctx_conf =
- rcu_dereference(vif->chanctx_conf);
+ struct ieee80211_chanctx_conf *chanctx_conf;
+
+ rcu_read_lock();
+ chanctx_conf = rcu_dereference(vif->chanctx_conf);
if (!WARN_ON(!chanctx_conf))
confbw = chanctx_conf->def.width;
+ rcu_read_unlock();
}
WARN(bw > hwsim_get_chanwidth(confbw),
@@ -2475,11 +2478,13 @@ static void hw_scan_work(struct work_struct *work)
if (req->ie_len)
skb_put_data(probe, req->ie, req->ie_len);
+ rcu_read_lock();
if (!ieee80211_tx_prepare_skb(hwsim->hw,
hwsim->hw_scan_vif,
probe,
hwsim->tmp_chan->band,
NULL)) {
+ rcu_read_unlock();
kfree_skb(probe);
continue;
}
@@ -2487,6 +2492,7 @@ static void hw_scan_work(struct work_struct *work)
local_bh_disable();
mac80211_hwsim_tx_frame(hwsim->hw, probe,
hwsim->tmp_chan);
+ rcu_read_unlock();
local_bh_enable();
}
}