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net/mlx5e: Avoid redundant dev_kfree_skb() upon NOP completion

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NOP completion SKBs are always NULL.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Achiad Shochat 2015-06-23 17:14:17 +03:00 committed by David S. Miller
parent ef583d037d
commit 9fc5930625
1 changed files with 1 additions and 3 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
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@ -294,7 +294,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq)
if (unlikely(!skb)) { /* nop */
sq->stats.nop++;
sqcc++;
goto free_skb;
continue;
}
for (j = 0; j < MLX5E_TX_SKB_CB(skb)->num_dma; j++) {
@ -309,8 +309,6 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq)
npkts++;
nbytes += MLX5E_TX_SKB_CB(skb)->num_bytes;
sqcc += MLX5E_TX_SKB_CB(skb)->num_wqebbs;
free_skb:
dev_kfree_skb(skb);
}