ieee80211_set_power_mgmt is meant for STA interfaces only. Moreover, since sdata->u.mgd.mtx is only initialized for STA interfaces, using this code for any other type of interface (like IBSS) will result in a oops. Signed-off-by: Benoit Papillault <benoit.papillault@xxxxxxx> --- net/mac80211/cfg.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8286df5..c9de4e3 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1382,6 +1382,9 @@ static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_conf *conf = &local->hw.conf; + if (sdata->vif.type != NL80211_IFTYPE_STATION) + return 0; + if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) return -EOPNOTSUPP; -- 1.6.3.3 -- 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