From patchwork Tue Jun 9 11:38:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gaurav Singh X-Patchwork-Id: 1305838 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=EVE/MUme; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49h7T552Pmz9sT5 for ; Tue, 9 Jun 2020 21:39:53 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729009AbgFILjv (ORCPT ); Tue, 9 Jun 2020 07:39:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729014AbgFILjk (ORCPT ); Tue, 9 Jun 2020 07:39:40 -0400 Received: from mail-qk1-x743.google.com (mail-qk1-x743.google.com [IPv6:2607:f8b0:4864:20::743]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6451FC03E97C; Tue, 9 Jun 2020 04:39:40 -0700 (PDT) Received: by mail-qk1-x743.google.com with SMTP id w1so20400311qkw.5; Tue, 09 Jun 2020 04:39:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references; bh=UYWL4b+Nksdqw2T1bjsF7nZO4cYFZU9p52lDBPWks3Q=; b=EVE/MUmeNfXmLgTiwN5/i+wciCoKUwFN5h7WteGzb3uFj47uWistcYYVYgoLIMWUya 0mdzYDev4qaM1LIeOsWOR/IiRRiU3mULp01mh1rDC02Tfxfv2jNZc0MJXYFF8GNVnm91 mxx3fB9LaOjpzYVgDRBBPNrORD1BO1Z1UV4og/HwThZjR/UI2jPpqXGsxtd6pmvIIiBp or7N5kR1jTvcexoFpu8lI9k9fdPCd06yQ8BhwvP49VfTjtVtCJZ5i3MQEo9YPcdQBAeV hA3ufNs7D+YD7QXrSczACvOjUOLw5kdKRhU6g8xPesviG7SZKD2icTbCT8jm0s4Ylx9j oLPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=UYWL4b+Nksdqw2T1bjsF7nZO4cYFZU9p52lDBPWks3Q=; b=U+qDKnX0hArrIFGWuS/SeUd4kDwOskap4+DZ44zoo22f0NOoVPOP9RrvPSkfUh5t+m cN8cgt82tbLg0h/ZJgWNjsLww7ScHpp15RhxHtgam0Cl5QVnzBIbn4qIR7qYjXfaOcmN 5TJRXv9/6ILYzrf/k/TMqhqg3ze1KOYE0H3y2BdG7yz1Cey+qe6Nl2Wz/DQY4yOC/Q2g ZjXt13NBgrKd9tshMfOR/+XnIC/xeR6DiUcvSS50xI6gegtSk26l5m+TySqdbaZ61ki7 Hm1xeQjCI2uADSSTxiI3ULHQcX/JGnLDbPYj98T8n4KFX0XXCX5UsTs/WdISqo699Ukc WOow== X-Gm-Message-State: AOAM533v/pLyFXv19JkVromjWFdL5GptFUwr2T65GDiZ/fXQ9lKbQN2h ysxvjKGgHtcJhPSkmRnRemU= X-Google-Smtp-Source: ABdhPJw82gvLnPVRojON5y8/81l8qJFH5PwKefp/eQWm+pI3IoYi1CfHo4jZKwrlXaPWYhQlnEIoCg== X-Received: by 2002:a37:a504:: with SMTP id o4mr26378752qke.245.1591702779549; Tue, 09 Jun 2020 04:39:39 -0700 (PDT) Received: from linux.home ([2604:2000:1344:41d:29ac:7979:1e2e:c67b]) by smtp.googlemail.com with ESMTPSA id n13sm11281614qtb.20.2020.06.09.04.39.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 04:39:39 -0700 (PDT) From: Gaurav Singh To: gaurav1086@gmail.com, Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , John Fastabend , KP Singh , "David S. Miller" , Jakub Kicinski , Jesper Dangaard Brouer , netdev@vger.kernel.org (open list:BPF (Safe dynamic programs and tools)), bpf@vger.kernel.org (open list:BPF (Safe dynamic programs and tools)), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] bpf: alloc_record_per_cpu Add null check after malloc Date: Tue, 9 Jun 2020 07:38:39 -0400 Message-Id: <20200609113839.9628-2-gaurav1086@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200609113839.9628-1-gaurav1086@gmail.com> References: <20200609113839.9628-1-gaurav1086@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Signed-off-by: Gaurav Singh --- samples/bpf/xdp_rxq_info_user.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/samples/bpf/xdp_rxq_info_user.c b/samples/bpf/xdp_rxq_info_user.c index 4fe47502ebed..490b07b7df78 100644 --- a/samples/bpf/xdp_rxq_info_user.c +++ b/samples/bpf/xdp_rxq_info_user.c @@ -202,11 +202,11 @@ static struct datarec *alloc_record_per_cpu(void) size = sizeof(struct datarec) * nr_cpus; array = malloc(size); - memset(array, 0, size); if (!array) { fprintf(stderr, "Mem alloc error (nr_cpus:%u)\n", nr_cpus); exit(EXIT_FAIL_MEM); } + memset(array, 0, size); return array; }