From patchwork Thu Jul 6 15:28:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Hemminger X-Patchwork-Id: 26549 X-Patchwork-Delegate: thomas@monjalon.net 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 20AF2532C; Thu, 6 Jul 2017 17:28:26 +0200 (CEST) Received: from mail-pg0-f43.google.com (mail-pg0-f43.google.com [74.125.83.43]) by dpdk.org (Postfix) with ESMTP id 200A51094 for ; Thu, 6 Jul 2017 17:28:21 +0200 (CEST) Received: by mail-pg0-f43.google.com with SMTP id k14so2696659pgr.0 for ; Thu, 06 Jul 2017 08:28:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=camHFu/R0POZir6VX7Xs4ouKPjNaN4+A9g/dK5HuI6c=; b=omLjqzgWIGb7u0ubuLnGPb2hLLMt5zGJ1+GhqRe5ngVIf9b+RK1yCi2RBWvdiXkesR ZTXJUSpqfOgl04DSDAMTiEtL2FV5bEP6owjORXzSUw4NHp0UTAlk9tUwaT8vIt0tY+/5 kZ4inPN7K0VR27Rmb5Gcqr+dcYzQYwZueR74GvfYPH3F7l4CGN1fasQdo/HQFAzXXBUd 19085S/w6/6/sC0tjtx8x/CbY6WcCf3Z59GvHVVk8ibCUxs4bNvQInvFQhbKm89WHp29 bmDExPXEBfLGlL5OL4Qa56sJbPU71vh7ciumqnR6qJ84SMddDuc8YZK8wjuxWAM65iyf P6iA== 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=camHFu/R0POZir6VX7Xs4ouKPjNaN4+A9g/dK5HuI6c=; b=K3v3ZwH1RcV7FLoWs6EpZtQOPs8f4+bEALi7VXFxHsnepZ3/ELG5nSprwGv+W5ikGn DyAd199pA9S9yLLYv4W5ovKfglEXUN9NdAfMB12hOQSbEfhMmtuuc8wae83g9bA6xf7l lrhivkk1bVfJrz2bMDgepIUK7yENDIS0MZgNXihqFQ1ht8+GQuvF9s93ZXYVkcYOCYk5 r55dJSzjQlFTHjYO8CFAa2CIED9lR8C7+Uz6aBiC+KY1PLm4sHZU7H2rv1PBQ80jo60p W29WH8q8T0gwMeRByX5gPgQd0Al0Ba415Mj2iREQeR1J4IKCARaPRgpw4g0pH86WzwCp dvWA== X-Gm-Message-State: AIVw110BxevPg3izVx1Mrvcp9J0bjVIpVLsj7QEAQn/rohbQp1GKpDdr vPDsaadj9aO3rA1cJqEPDQ== X-Received: by 10.84.213.9 with SMTP id f9mr5475682pli.22.1499354900990; Thu, 06 Jul 2017 08:28:20 -0700 (PDT) Received: from xeon-e3.wavecable.com (76-14-207-240.or.wavecable.com. [76.14.207.240]) by smtp.gmail.com with ESMTPSA id v64sm1079224pfk.126.2017.07.06.08.28.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Jul 2017 08:28:20 -0700 (PDT) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger Date: Thu, 6 Jul 2017 08:28:10 -0700 Message-Id: <20170706152812.16072-2-stephen@networkplumber.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170706152812.16072-1-stephen@networkplumber.org> References: <20170706152812.16072-1-stephen@networkplumber.org> Subject: [dpdk-dev] [PATCH 1/3] eal: simplify finding starting point 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" A separate boolean variable is not necessary when searching for starting point in find_device. Just use the passed argument as its own flag value. Signed-off-by: Stephen Hemminger --- lib/librte_eal/common/eal_common_bus.c | 6 ++---- lib/librte_eal/common/eal_common_pci.c | 6 ++---- lib/librte_eal/common/eal_common_vdev.c | 6 ++---- 3 files changed, 6 insertions(+), 12 deletions(-) diff --git a/lib/librte_eal/common/eal_common_bus.c b/lib/librte_eal/common/eal_common_bus.c index 87b0c6e6fa03..997009d2b8d0 100644 --- a/lib/librte_eal/common/eal_common_bus.c +++ b/lib/librte_eal/common/eal_common_bus.c @@ -154,12 +154,10 @@ rte_bus_find(const struct rte_bus *start, rte_bus_cmp_t cmp, const void *data) { struct rte_bus *bus = NULL; - bool start_found = !start; TAILQ_FOREACH(bus, &rte_bus_list, next) { - if (!start_found) { - if (bus == start) - start_found = 1; + if (start && bus == start) { + start = NULL; /* starting point found */ continue; } if (cmp(bus, data) == 0) diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c index 5ee100e67374..7ed259b09cd0 100644 --- a/lib/librte_eal/common/eal_common_pci.c +++ b/lib/librte_eal/common/eal_common_pci.c @@ -491,12 +491,10 @@ pci_find_device(const struct rte_device *start, rte_dev_cmp_t cmp, const void *data) { struct rte_pci_device *dev; - bool start_found = !start; FOREACH_DEVICE_ON_PCIBUS(dev) { - if (!start_found) { - if (&dev->device == start) - start_found = 1; + if (start && &dev->device == start) { + start = NULL; /* starting point found */ continue; } if (cmp(&dev->device, data) == 0) diff --git a/lib/librte_eal/common/eal_common_vdev.c b/lib/librte_eal/common/eal_common_vdev.c index baf3c5bfa23f..9ec62f4d4dea 100644 --- a/lib/librte_eal/common/eal_common_vdev.c +++ b/lib/librte_eal/common/eal_common_vdev.c @@ -342,12 +342,10 @@ vdev_find_device(const struct rte_device *start, rte_dev_cmp_t cmp, const void *data) { struct rte_vdev_device *dev; - bool start_found = !start; TAILQ_FOREACH(dev, &vdev_device_list, next) { - if (start_found == 0) { - if (&dev->device == start) - start_found = 1; + if (start && &dev->device == start) { + start = NULL; continue; } if (cmp(&dev->device, data) == 0)