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mac80211: Use skb_header_cloned() on TX path.

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

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-05-12 21:59:32 -07:00
parent f3994eceeb
commit 608961a5ec
1 changed files with 2 additions and 2 deletions
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4
net/mac80211/tx.c
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@ -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 * be cloned. This could happen, e.g., with Linux bridge code passing
* us broadcast frames. */ * us broadcast frames. */
if (head_need > 0 || skb_cloned(skb)) { if (head_need > 0 || skb_header_cloned(skb)) {
#if 0 #if 0
printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes " printk(KERN_DEBUG "%s: need to reallocate buffer for %d bytes "
"of headroom\n", dev->name, head_need); "of headroom\n", dev->name, head_need);
#endif #endif
if (skb_cloned(skb)) if (skb_header_cloned(skb))
I802_DEBUG_INC(local->tx_expand_skb_head_cloned); I802_DEBUG_INC(local->tx_expand_skb_head_cloned);
else else
I802_DEBUG_INC(local->tx_expand_skb_head); I802_DEBUG_INC(local->tx_expand_skb_head);