net: skb_shared_info optimization

[firefly-linux-kernel-4.4.55.git] / drivers / net / igbvf / netdev.c

diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index 5f7ba1a4990b21e973bf4dcb09e7a66b6c9aadeb..22aadb7884fa9ac028a4f1dc60d4aa3014c86c26 100644 (file)
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -2119,8 +2119,7 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
        /* set time_stamp *before* dma to help avoid a possible race */
        buffer_info->time_stamp = jiffies;
        buffer_info->next_to_watch = i;
-       buffer_info->dma = map[count];
-       count++;
+       buffer_info->dma = skb_shinfo(skb)->dma_head;
 
        for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) {
                struct skb_frag_struct *frag;
@@ -2144,7 +2143,7 @@ static inline int igbvf_tx_map_adv(struct igbvf_adapter *adapter,
        tx_ring->buffer_info[i].skb = skb;
        tx_ring->buffer_info[first].next_to_watch = i;
 
-       return count;
+       return count + 1;
 }
 
 static inline void igbvf_tx_queue_adv(struct igbvf_adapter *adapter,