From 0241fa19ef4021c3db6f70b8f08d69f9e21cc043 Mon Sep 17 00:00:00 2001 From: Sara Sharon Date: Wed, 3 Feb 2016 21:52:23 +0200 Subject: [PATCH] mac80211: fix VHT MU-MIMO frame processing The source and destintation addresses in the memcpy arguments are flipped. Fix that. Fixes: 23a1f8d44c0b("mac80211: process and save VHT MU-MIMO group frame") Signed-off-by: Sara Sharon Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- net/mac80211/vht.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c index 204cf9a..341d192 100644 --- a/net/mac80211/vht.c +++ b/net/mac80211/vht.c @@ -459,10 +459,12 @@ void ieee80211_process_mu_groups(struct ieee80211_sub_if_data *sdata, bss_conf->mu_group.membership, WLAN_MEMBERSHIP_LEN)) return; - memcpy(mgmt->u.action.u.vht_group_notif.membership, - bss_conf->mu_group.membership, WLAN_MEMBERSHIP_LEN); - memcpy(mgmt->u.action.u.vht_group_notif.position, - bss_conf->mu_group.position, WLAN_USER_POSITION_LEN); + memcpy(bss_conf->mu_group.membership, + mgmt->u.action.u.vht_group_notif.membership, + WLAN_MEMBERSHIP_LEN); + memcpy(bss_conf->mu_group.position, + mgmt->u.action.u.vht_group_notif.position, + WLAN_USER_POSITION_LEN); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS); } -- 2.7.4