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mac80211: Ensure enough headroom when forwarding mesh pkt 

When a buffer is duplicated during MESH packet forwarding,
this patch ensures that the new buffer has enough headroom.

Signed-off-by: Cedric Izoard <cedric.izoard@ceva-dsp.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
hifive-unleashed-5.1
Cedric Izoard 2016-12-07 09:59:00 +00:00 committed by Johannes Berg
parent ec4efc4a10
commit d8da0b5d64
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/rx.c
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@ -2472,7 +2472,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto out;
fwd_skb = skb_copy(skb, GFP_ATOMIC);
fwd_skb = skb_copy_expand(skb, local->tx_headroom, 0, GFP_ATOMIC);
if (!fwd_skb) {
net_info_ratelimited("%s: failed to clone mesh frame\n",
sdata->name);