From patchwork Wed Aug 18 19:06:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiner Kallweit X-Patchwork-Id: 500251 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2376AC4320A for ; Wed, 18 Aug 2021 19:08:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5ED7E61159 for ; Wed, 18 Aug 2021 19:08:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233651AbhHRTI0 (ORCPT ); Wed, 18 Aug 2021 15:08:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233496AbhHRTIF (ORCPT ); Wed, 18 Aug 2021 15:08:05 -0400 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E1EDC0613A3; Wed, 18 Aug 2021 12:07:25 -0700 (PDT) Received: by mail-wm1-x331.google.com with SMTP id c129-20020a1c35870000b02902e6b6135279so2476508wma.0; Wed, 18 Aug 2021 12:07:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=LDIfWEhWO8mVudTFuw38niuUgR6UGRnl4p6utnT37F4=; b=UvzolmWpYEyJzarXLllRnqJ9qRIjTu/H5jojxM9143e7AthN4ECQwqTBsQx/4ZyKHx IItSbEB5UNZbi9dL5W0+9wvVNF1j2i050BJ6aaIQm264QM3uv14iq9tIB28PGMjiaPgm JqaBkQL5/mwvAXaa2b2+ujSXNsaQ2y4o4/CaSfeIWeuP8DcTr/0eUT075PlvMfw4Frss iGFWUwmap1Ujlg2jvIPtC9RwmAnPI9TWjJfOyow+Olq30E4CsjsmXFYOvR9CdDtjqJ+Q TtlUyqIHBuqf79NxH5rdpfhnLor4Qp6JrDCBhIKNvsu8YA9/vbXqhVgoa2YuNC+Y553G DrXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=LDIfWEhWO8mVudTFuw38niuUgR6UGRnl4p6utnT37F4=; b=izoJyANs8WbBdgeqpzGS7RkleT3FrxURkudAQPAxLu4+H69vTiEY5B1HhWaUwEgxdB xAvupAuoZ8k3cXeFCGDECJB69x6uvSnUTI9x32LLxbchqDdysEMyEV43XL/kcctxAQuz apBSAQT1wb4t2Za6neb3SpJS4LnVJyS4/P+CFdh6yXk8R30GT4MZo98svwbYPYh4x9hB Sdz4al8wilk+R6kzU9ogC4BADnxGaEp2vIdarfvwBUgmzQf24Ka3mI8p7j+8g13LI4A/ oGK45VfLxYf8KL72b1UPKxE9Odjuxv9Dyt1O7cyVUFN/0Zt5y9hSxFR/YZ8C7qCwK1Nk aHtQ== X-Gm-Message-State: AOAM5337pN3uqByl6NG26jY1hjIM+DJc4J0dE5cb7sw1dIHVlxMFPbYU bbevxTj4DsO9Ocxr2QCqgmIrhSBmW4pafA== X-Google-Smtp-Source: ABdhPJzbczZWhLAF3ylgWjegsy80xxr46YwXW/f9gHPD38R3XLN1AUEBQQ+aJmwYzXcLaIG7PPv+ng== X-Received: by 2002:a7b:c5d2:: with SMTP id n18mr9990022wmk.97.1629313643865; Wed, 18 Aug 2021 12:07:23 -0700 (PDT) Received: from ?IPv6:2003:ea:8f08:4500:5c16:403a:870d:fceb? (p200300ea8f0845005c16403a870dfceb.dip0.t-ipconnect.de. [2003:ea:8f08:4500:5c16:403a:870d:fceb]) by smtp.googlemail.com with ESMTPSA id 7sm6043999wmk.39.2021.08.18.12.07.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 18 Aug 2021 12:07:23 -0700 (PDT) Subject: [PATCH 8/8] tg3: Use new function pci_vpd_find_ro_info_keyword From: Heiner Kallweit To: Siva Reddy Kallam , Prashant Sreedharan , Michael Chan , David Miller , Jakub Kicinski Cc: "linux-pci@vger.kernel.org" , "netdev@vger.kernel.org" References: Message-ID: <0ae9d4c0-590d-682a-a0af-2272e5f71630@gmail.com> Date: Wed, 18 Aug 2021 21:06:40 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use new VPD API function pci_vpd_find_ro_info_keyword() to simplify the code. Signed-off-by: Heiner Kallweit --- drivers/net/ethernet/broadcom/tg3.c | 59 ++++++++--------------------- 1 file changed, 16 insertions(+), 43 deletions(-) diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 309aec742..6637a97d7 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -15592,63 +15592,36 @@ static int tg3_phy_probe(struct tg3 *tp) static void tg3_read_vpd(struct tg3 *tp) { u8 *vpd_data; - unsigned int block_end, rosize, len, vpdlen; - int j, i = 0; + unsigned int len, vpdlen; + int i; vpd_data = (u8 *)tg3_vpd_readblock(tp, &vpdlen); if (!vpd_data) goto out_no_vpd; - i = pci_vpd_find_tag(vpd_data, vpdlen, PCI_VPD_LRDT_RO_DATA); + i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen, + PCI_VPD_RO_KEYWORD_MFR_ID, &len); if (i < 0) - goto out_not_found; - - rosize = pci_vpd_lrdt_size(&vpd_data[i]); - block_end = i + PCI_VPD_LRDT_TAG_SIZE + rosize; - i += PCI_VPD_LRDT_TAG_SIZE; - - if (block_end > vpdlen) - goto out_not_found; - - j = pci_vpd_find_info_keyword(vpd_data, i, rosize, - PCI_VPD_RO_KEYWORD_MFR_ID); - if (j > 0) { - len = pci_vpd_info_field_size(&vpd_data[j]); + goto partno; - j += PCI_VPD_INFO_FLD_HDR_SIZE; - if (j + len > block_end || len != 4 || - memcmp(&vpd_data[j], "1028", 4)) - goto partno; + if (len != 4 || memcmp(vpd_data + i, "1028", 4)) + goto partno; - j = pci_vpd_find_info_keyword(vpd_data, i, rosize, - PCI_VPD_RO_KEYWORD_VENDOR0); - if (j < 0) - goto partno; - - len = pci_vpd_info_field_size(&vpd_data[j]); + i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen, + PCI_VPD_RO_KEYWORD_VENDOR0, &len); + if (i < 0) + goto partno; - j += PCI_VPD_INFO_FLD_HDR_SIZE; - if (j + len > block_end) - goto partno; - - if (len >= sizeof(tp->fw_ver)) - len = sizeof(tp->fw_ver) - 1; - memset(tp->fw_ver, 0, sizeof(tp->fw_ver)); - snprintf(tp->fw_ver, sizeof(tp->fw_ver), "%.*s bc ", len, - &vpd_data[j]); - } + memset(tp->fw_ver, 0, sizeof(tp->fw_ver)); + snprintf(tp->fw_ver, sizeof(tp->fw_ver), "%.*s bc ", len, vpd_data + i); partno: - i = pci_vpd_find_info_keyword(vpd_data, i, rosize, - PCI_VPD_RO_KEYWORD_PARTNO); + i = pci_vpd_find_ro_info_keyword(vpd_data, vpdlen, + PCI_VPD_RO_KEYWORD_PARTNO, &len); if (i < 0) goto out_not_found; - len = pci_vpd_info_field_size(&vpd_data[i]); - - i += PCI_VPD_INFO_FLD_HDR_SIZE; - if (len > TG3_BPN_SIZE || - (len + i) > vpdlen) + if (len > TG3_BPN_SIZE) goto out_not_found; memcpy(tp->board_part_number, &vpd_data[i], len);