From ac04ab9624b5337628a8a5b96eee81a6fee704e5 Mon Sep 17 00:00:00 2001 From: "Mintz, Yuval" Date: Tue, 14 Mar 2017 15:26:00 +0200 Subject: [PATCH] qed: Fix mapping leak on LL2 rx flow [ Upstream commit 752ecb2da11124a948567076b60767dc8034cfa5 ] 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 Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- 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 62ae55bd81b8..7f00c7b065cb 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -187,6 +187,8 @@ 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) { -- 2.17.1