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mac80211: Fix unresolved mesh frames queued without valid control.vif

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Mesh frames that could not be immediately resolved were queued with a NULL
info->control.vif.  This patch moves the call to mesh_nexthop_lookup closer to
the point where it is handed over to ieee80211_tx().  This ensures that the
unresolved frames are ready to be sent once the path is resolved.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona 2009-08-10 17:29:29 -07:00 committed by John W. Linville
parent 1fe90b033e
commit cca89496a8
1 changed files with 10 additions and 8 deletions
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18
net/mac80211/tx.c
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@ -1412,14 +1412,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
if (ieee80211_vif_is_mesh(&sdata->vif) &&
ieee80211_is_data(hdr->frame_control)) {
if (!is_multicast_ether_addr(hdr->addr1))
if (mesh_nexthop_lookup(skb, sdata)) {
dev_put(sdata->dev);
return;
}
} else if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) {
if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) {
int hdrlen;
u16 len_rthdr;
@ -1476,6 +1469,15 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
info->control.vif = &sdata->vif;
if (ieee80211_vif_is_mesh(&sdata->vif) &&
ieee80211_is_data(hdr->frame_control) &&
!is_multicast_ether_addr(hdr->addr1))
if (mesh_nexthop_lookup(skb, sdata)) {
/* skb queued: don't free */
dev_put(sdata->dev);
return;
}
ieee80211_select_queue(local, skb);
ieee80211_tx(sdata, skb, false);
dev_put(sdata->dev);