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mac80211: don't look up stations for multicast addresses

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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 <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2015-02-24 00:28:18 +01:00
parent b7853d73e3
commit 9d6b106b54
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/tx.c
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@ -1172,7 +1172,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
tx->sdata->control_port_protocol == tx->skb->protocol) { tx->sdata->control_port_protocol == tx->skb->protocol) {
tx->sta = sta_info_get_bss(sdata, hdr->addr1); 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); tx->sta = sta_info_get(sdata, hdr->addr1);
if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) && if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&