[PATCH net 3/7] qed: Fix mapping leak on LL2 rx flow

[Yuval Mintz]

When receiving an Rx LL2 packet, qed fails to unmap the previous buffer.

Fixes: 0a7fb11c23c0 ("qed: Add Light L2 support");
Signed-off-by: Yuval Mintz <yuval.mi...@cavium.com>
---
 drivers/net/ethernet/qlogic/qed/qed_ll2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c 
b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index 5fb34db..29ae5ec 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -211,6 +211,8 @@ static void qed_ll2b_complete_rx_packet(struct qed_hwfn 
*p_hwfn,
        /* If need to reuse or there's no replacement buffer, repost this */
        if (rc)
                goto out_post;
+       dma_unmap_single(&cdev->pdev->dev, buffer->phys_addr,
+                        cdev->ll2->rx_size, DMA_FROM_DEVICE);
 
        skb = build_skb(buffer->data, 0);
        if (!skb) {
-- 
1.9.3