From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuval Mintz Subject: [PATCH net 3/7] qed: Fix mapping leak on LL2 rx flow Date: Tue, 14 Mar 2017 15:26:00 +0200 Message-ID: <1489497964-13734-4-git-send-email-Yuval.Mintz@cavium.com> References: <1489497964-13734-1-git-send-email-Yuval.Mintz@cavium.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Yuval Mintz To: Return-path: Received: from mx0a-0016ce01.pphosted.com ([67.231.148.157]:39037 "EHLO mx0b-0016ce01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752181AbdCNN0X (ORCPT ); Tue, 14 Mar 2017 09:26:23 -0400 In-Reply-To: <1489497964-13734-1-git-send-email-Yuval.Mintz@cavium.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 --- 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