[RFT/C 1/7] mac80211: use skb_header_cloned()

[Johannes Berg <johannes@sipsolutions.net>]

mac80211 doesn't need to care here about cloned status but rather
about whether the skb header data area is modifiable.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
 net/mac80211/tx.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- everything.orig/net/mac80211/tx.c	2008-05-10 23:00:06.000000000 +0200
+++ everything/net/mac80211/tx.c	2008-05-10 23:00:37.000000000 +0200
@@ -1563,13 +1563,13 @@ int ieee80211_subif_start_xmit(struct sk
 	 * 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);

--