Commit d8da0b5d authored Dec 07, 2016 by Cedric Izoard Committed by Johannes Berg Dec 13, 2016

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>

parent ec4efc4a

net/mac80211/rx.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);