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authorJavier Cardona <javier@cozybit.com>2009-08-10 17:29:29 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-08-14 09:14:03 -0400
commitcca89496a8afe4ad12ce1e468e60cef1e27e4eee (patch)
tree5dc3fc6541e2afaf66b500a922844d37dad89826 /net/mac80211
parent1fe90b033e04d7402b3deb392420fe2ff57986a5 (diff)
downloadop-kernel-dev-cca89496a8afe4ad12ce1e468e60cef1e27e4eee.zip
op-kernel-dev-cca89496a8afe4ad12ce1e468e60cef1e27e4eee.tar.gz
mac80211: Fix unresolved mesh frames queued without valid control.vif
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>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/tx.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index ee8aa76f..0c08d1e 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -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);
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