diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 08c43f2ae72b0f9fb0ebf4eb08926ceefd5f5fb3..5a88b3f576931f33063eeb2749dcb70e8eff70d4 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -249,6 +249,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
 				pci_unmap_page(mdev->pdev,
 					(dma_addr_t) be64_to_cpu(data->addr),
 					 frag->size, PCI_DMA_TODEVICE);
+				++data;
 			}
 		}
 		/* Stamp the freed descriptor */