From patchwork Tue Jul 4 13:51:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Krawczyk X-Patchwork-Id: 26381 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 9AB9C5689; Tue, 4 Jul 2017 15:53:33 +0200 (CEST) Received: from mail-lf0-f46.google.com (mail-lf0-f46.google.com [209.85.215.46]) by dpdk.org (Postfix) with ESMTP id D4270374F for ; Tue, 4 Jul 2017 15:53:31 +0200 (CEST) Received: by mail-lf0-f46.google.com with SMTP id z78so77907025lff.0 for ; Tue, 04 Jul 2017 06:53:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=xhxnVaZxfaYj8StREThfHOILZhtCCyItOBFW0b5rspk=; b=eDo9kO5MqpWKxMPviDbUrMVe1FzwzqQmm+m5axAxldILXov0MNDi8PLnFBwOWAvWTQ AzS7ZlQSQuWdsjXMTesphQt6EXYsYHXe23KlOIyHNHR1thad9Jn0g0XdFtNg+fjaFhj9 mbGyPNNOahZUFlzAlIGQEffReRw3dq/ol8qwzk1ITES4bLsnStTmaMF1G9/bBWoXAQRj QEw+CEdwkV9jiQIzg0KAuoRm7cNan+FAUNvNjOkw9iGD0gekO+4YLtgADQXUvKumPzGR ngWj5fuygV+NdJoe557vlruO54b/0YYRVxnNIrzkNDHcn2H2YlXi/SSCsUhUubO6/2iQ jg5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=xhxnVaZxfaYj8StREThfHOILZhtCCyItOBFW0b5rspk=; b=d9Ub9HES4HsVRX3zRnQtRbTwy+Sl33jvaoOq+XNWg6xGTMK1r/DIH/s2d/F0BpUl9J 30ilSu1AnxMF8PypGOP6ARGKmy5Ya49rM07Rkg4eK0gVD5hlj86d8VEcB+q0n5v9NEJF opWGAfnCaQ7Sr3sCY5eYhi40S7+RnSWC6Jz3kCggXPulqDn4tdf0kzMnUza4lPKqWf8K QCW736KDzNoW14Hp3teu6JBytjT0jfx7rZY7mXSS6jQwV6UqA3PmE5gTftxN8EIvXacF osLodPtmf+FwYffRHxpbKZLjH2Wdgzk220AfHpMwRWwMXk5mQ/0SlLrF1CxX6SsUsDnX Xmvw== X-Gm-Message-State: AKS2vOwkkE1ibV4sTJ7AdoeSgxZdh2ENgbNRN8cf9zutmrJQmMIcJzmI mM+jbRQGl5GY3Kwe X-Received: by 10.25.209.2 with SMTP id i2mr8838033lfg.119.1499176410687; Tue, 04 Jul 2017 06:53:30 -0700 (PDT) Received: from localhost.localdomain (31-172-191-173.noc.fibertech.net.pl. [31.172.191.173]) by smtp.gmail.com with ESMTPSA id a78sm3967833ljb.66.2017.07.04.06.53.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Jul 2017 06:53:30 -0700 (PDT) From: Michal Krawczyk To: mw@semihalf.com, gtzalik@amazon.com, matua@amazon.com, evgenys@amazon.com Cc: dev@dpdk.org, Michal Krawczyk Date: Tue, 4 Jul 2017 15:51:53 +0200 Message-Id: <20170704135153.24140-3-mk@semihalf.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170704135153.24140-1-mk@semihalf.com> References: <20170704135153.24140-1-mk@semihalf.com> Subject: [dpdk-dev] [PATCH 2/2] net/ena: initialize memory in the allocation macros X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Alexander Matushevsky Uninitialized memory could cause memory corruption, by indicating completion of the invalid mbuf. Fixes: 3d3edc265fc8 ("net/ena: make coherent memory allocation NUMA-aware") Signed-off-by: Alexander Matushevsky Signed-off-by: Michal Krawczyk --- drivers/net/ena/base/ena_plat_dpdk.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h index 7eaebf4..71a8c1e 100644 --- a/drivers/net/ena/base/ena_plat_dpdk.h +++ b/drivers/net/ena/base/ena_plat_dpdk.h @@ -207,6 +207,7 @@ typedef uint64_t dma_addr_t; snprintf(z_name, sizeof(z_name), \ "ena_alloc_%d", ena_alloc_cnt++); \ mz = rte_memzone_reserve(z_name, size, node, 0); \ + memset(mz->addr, 0, size); \ virt = mz->addr; \ phys = mz->phys_addr; \ } while (0) @@ -219,6 +220,7 @@ typedef uint64_t dma_addr_t; snprintf(z_name, sizeof(z_name), \ "ena_alloc_%d", ena_alloc_cnt++); \ mz = rte_memzone_reserve(z_name, size, node, 0); \ + memset(mz->addr, 0, size); \ virt = mz->addr; \ } while (0)