From: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx> Both ifmgd->mtx and sdata->local->iflist_mtx are locked in ieee80211_mgd_probe_ap(), not sure it will cause deadlock condition. but it is better to only has one mutex at a time. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx> --- net/mac80211/mlme.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 1e1d16c..e23df14 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -914,10 +914,13 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata, if (already) goto out; + mutex_unlock(&ifmgd->mtx); + mutex_lock(&sdata->local->iflist_mtx); ieee80211_recalc_ps(sdata->local, -1); mutex_unlock(&sdata->local->iflist_mtx); + mutex_lock(&ifmgd->mtx); ifmgd->probe_send_count = 0; ieee80211_mgd_probe_ap_send(sdata); out: -- 1.5.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
