From: Andrei Otcheretianski andrei.otcheretianski@intel.com
commit 0daa63ed4c6c4302790ce67b7a90c0997ceb7514 upstream.
The below-mentioned commit changed the code to unlock *inside* the function, but previously the unlock was *outside*. It failed to remove the outer unlock, however, leading to double unlock.
Fix this.
Fixes: 33483a6b88e4 ("mac80211: fix missing unlock on error in ieee80211_mark_sta_auth()") Signed-off-by: Andrei Otcheretianski andrei.otcheretianski@intel.com Link: https://lore.kernel.org/r/20200221104719.cce4741cf6eb.I671567b185c8a4c240937... [rewrite commit message to better explain what happened] Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- net/mac80211/mlme.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
--- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2959,7 +2959,7 @@ static void ieee80211_rx_mgmt_auth(struc (auth_transaction == 2 && ifmgd->auth_data->expected_transaction == 2)) { if (!ieee80211_mark_sta_auth(sdata, bssid)) - goto out_err; + return; /* ignore frame -- wait for timeout */ } else if (ifmgd->auth_data->algorithm == WLAN_AUTH_SAE && auth_transaction == 2) { sdata_info(sdata, "SAE peer confirmed\n"); @@ -2967,10 +2967,6 @@ static void ieee80211_rx_mgmt_auth(struc }
cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len); - return; - out_err: - mutex_unlock(&sdata->local->sta_mtx); - /* ignore frame -- wait for timeout */ }
#define case_WLAN(type) \