From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756015AbdLGPvR (ORCPT ); Thu, 7 Dec 2017 10:51:17 -0500 Received: from fldsmtpe03.verizon.com ([140.108.26.142]:39976 "EHLO fldsmtpe03.verizon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756098AbdLGPum (ORCPT ); Thu, 7 Dec 2017 10:50:42 -0500 From: alexander.levin@verizon.com Cc: "Mintz, Yuval" , "David S . Miller" , alexander.levin@verizon.com X-Host: endeavour.tdc.vzwcorp.com To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: [PATCH AUTOSEL for 4.9 035/156] qed: Fix mapping leak on LL2 rx flow Thread-Topic: [PATCH AUTOSEL for 4.9 035/156] qed: Fix mapping leak on LL2 rx flow Thread-Index: AQHTb3LnYA37jjIVFEOhCejarpz2dw== Date: Thu, 7 Dec 2017 15:49:03 +0000 Message-ID: <20171207154845.4814-35-alexander.levin@verizon.com> References: <20171207154845.4814-1-alexander.levin@verizon.com> In-Reply-To: <20171207154845.4814-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id vB7FpNFi027656 From: "Mintz, Yuval" [ 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 --- 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) { -- 2.11.0