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Commit 608961a5 authored by David S. Miller's avatar David S. Miller
Browse files

mac80211: Use skb_header_cloned() on TX path. 



When skb_header_cloned() returns false you can change the
headers however you like.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f3994ece

net/mac80211/tx.c

+2 −2
Original line number Diff line number Diff line
@@ -1562,13 +1562,13 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, 
	 * be cloned. This could happen, e.g., with Linux bridge code passing

	 * us broadcast frames. */



	if (head_need > 0 || skb_cloned(skb)) {

	if (head_need > 0 || skb_header_cloned(skb)) {

#if 0

		printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "

		       "of headroom\n", dev->name, head_need);

#endif



		if (skb_cloned(skb))

		if (skb_header_cloned(skb))

			I802_DEBUG_INC(local->tx_expand_skb_head_cloned);

		else

			I802_DEBUG_INC(local->tx_expand_skb_head);