From: David S. Miller <davem@davemloft.net>
Date: Tue, 13 May 2008 04:59:32 +0000 (-0700)
Subject: mac80211: Use skb_header_cloned() on TX path.
X-Git-Tag: v3.12-rc1~20717^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=608961a5eca8d3c6bd07172febc27b5559408c5d;p=kernel%2Fkernel-generic.git

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: David S. Miller <davem@davemloft.net>
---

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 28d8bd5..1d7dd54 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -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);