jme: remove open-coded skb_cow_head.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Guo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 14ff8d6..b0c6050 100644 (file)
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -2054,19 +2054,6 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
 }
 
 static int
-jme_expand_header(struct jme_adapter *jme, struct sk_buff *skb)
-{
-       if (unlikely(skb_shinfo(skb)->gso_size &&
-                       skb_header_cloned(skb) &&
-                       pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) {
-               dev_kfree_skb_any(skb);
-               return -1;
-       }
-
-       return 0;
-}
-
-static int
 jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags)
 {
        *mss = cpu_to_le16(skb_shinfo(skb)->gso_size << TXDESC_MSS_SHIFT);
@@ -2225,7 +2212,8 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
        struct jme_adapter *jme = netdev_priv(netdev);
        int idx;
 
-       if (unlikely(jme_expand_header(jme, skb))) {
+       if (unlikely(skb_is_gso(skb) && skb_cow_head(skb, 0))) {
+               dev_kfree_skb_any(skb);
                ++(NET_STAT(jme).tx_dropped);
                return NETDEV_TX_OK;
        }