From 9d6b106b54e02ad6a30c8bd949c8ea581a47d92b Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 24 Feb 2015 00:28:18 +0100 Subject: [PATCH] mac80211: don't look up stations for multicast addresses Since multicast addresses don't exist as stations, don't attempt to look them up in the hashtable on TX. Signed-off-by: Johannes Berg --- net/mac80211/tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 88a18ffe2975..0e56ac5729ef 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1172,7 +1172,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, tx->sdata->control_port_protocol == tx->skb->protocol) { tx->sta = sta_info_get_bss(sdata, hdr->addr1); } - if (!tx->sta) + if (!tx->sta && !is_multicast_ether_addr(hdr->addr1)) tx->sta = sta_info_get(sdata, hdr->addr1); if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) && -- 2.20.1