From patchwork Sat Jul 24 21:47:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 485570 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 17D26C432BE for ; Sat, 24 Jul 2021 21:48:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0146860E90 for ; Sat, 24 Jul 2021 21:48:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230370AbhGXVIL (ORCPT ); Sat, 24 Jul 2021 17:08:11 -0400 Received: from smtp-relay-canonical-1.canonical.com ([185.125.188.121]:43816 "EHLO smtp-relay-canonical-1.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229982AbhGXVHn (ORCPT ); Sat, 24 Jul 2021 17:07:43 -0400 Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-1.canonical.com (Postfix) with ESMTPS id F36083F351 for ; Sat, 24 Jul 2021 21:48:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1627163291; bh=ov7yn4H0ornXwxrX1ZBFt/XnbBsClxe6Xsh+B5h5Cag=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BjN0/bNBaiaHopwYXYLf3BdjG40rIjk9OiBA7Am9VklfQ3JD2ee+x5ZgiGtm9KM4e ZGr56xLuygUtRzN0watEHfSjmWidd6bhi1OjPqrmaXrrFP6bLoCoY3aNLxbR0FWolR URPbx4ZSC6BfpiKJ+F5RjeMzt77v2q0Z68WUhR2bwXHCSgcqenbPm8BodLx5iU2xwZ iKxO3SeO6tuBN9TDHlX9GTtFq48aF8RTCJX3qBepy+BsFOvqsyOmUNMHl79PWrFBAX U3iaQKDuB3HOUnsJ2v5ziIEoGGHBZ/pzFEk8pWMu9gehaodnm7OTYnEjXOsI0Ds/en 6+WTOrTwW5a8A== Received: by mail-ej1-f71.google.com with SMTP id p6-20020a17090635c6b02904f7606bd58fso1063913ejb.11 for ; Sat, 24 Jul 2021 14:48:08 -0700 (PDT) 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:mime-version:content-transfer-encoding; bh=ov7yn4H0ornXwxrX1ZBFt/XnbBsClxe6Xsh+B5h5Cag=; b=UZldUX0FJcvQIBMZiG5EsmeN1FkX6wqADM+JTGHH8TC2XYiqOdsRpk1POpvvFUe75Y 7BBg4P2gG1afoN14cQDLJDTaiORsAIiaIGauTCRcw/nJhpdbjDOdLOw05SnbCf/bVX1N MPOCjX94FS/NvydeuMX/92RMnX1e8wpckpelul+FNbjyQyChhBjjDIpwgrHERrh3ZowT d0IhoNRVKyDVy8wqnfXPWi000qLSkKfzdechzvjdkeoDxJ/k+F2g5dm+Sv8SWouEuRjy a5+tNa2k9oaks3wthY2mUpcxG21XyTit1Rs0Qfaj/41vtt5phHk0qjmppURs+i0bjMGo xgew== X-Gm-Message-State: AOAM532WZDxRObOcnmUz4rG7S7F2mw+LwFwiUqEpxjik9h6oKLnRnzuV I2K9/00YUQJVe/Vw0Bwed1+7Cnw2ivRImEXieixk3VySqG88ieqw5/xrHfg+kJV8O4Lxhu2ucqa RPL97c7nCOXi3MKUqCy4nckPnXLywbZdd/A== X-Received: by 2002:a17:906:5e4c:: with SMTP id b12mr10085421eju.230.1627163288266; Sat, 24 Jul 2021 14:48:08 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw4DjgiuYIHPq50fWezEY5ArO3iNlytrDP/udlFADjFqzzpxgUDWdNRebg5J3N9yopeTwgO0Q== X-Received: by 2002:a17:906:5e4c:: with SMTP id b12mr10085415eju.230.1627163288139; Sat, 24 Jul 2021 14:48:08 -0700 (PDT) Received: from localhost.localdomain ([86.32.47.9]) by smtp.gmail.com with ESMTPSA id j5sm8383005edv.10.2021.07.24.14.48.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Jul 2021 14:48:07 -0700 (PDT) From: Krzysztof Kozlowski To: Krzysztof Kozlowski , Charles Gorand , Krzysztof Opasiak , Mark Greer , Bongsu Jeon , "David S. Miller" , Jakub Kicinski , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org Subject: [PATCH 01/12] nfc: constify payload argument in nci_send_cmd() Date: Sat, 24 Jul 2021 23:47:32 +0200 Message-Id: <20210724214743.121884-2-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210724214743.121884-1-krzysztof.kozlowski@canonical.com> References: <20210724214743.121884-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The nci_send_cmd() payload argument is passed directly to skb_put_data() which already accepts a pointer to const, so make it const as well for correctness and safety. Signed-off-by: Krzysztof Kozlowski --- include/net/nfc/nci_core.h | 2 +- net/nfc/nci/core.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index 1df0f8074c9d..bf573eca07ca 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -360,7 +360,7 @@ int nci_core_rsp_packet(struct nci_dev *ndev, __u16 opcode, int nci_core_ntf_packet(struct nci_dev *ndev, __u16 opcode, struct sk_buff *skb); void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb); -int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload); +int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, const void *payload); int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb); int nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id); void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb, diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index da7fe9db1b00..09967b836361 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -1332,7 +1332,7 @@ int nci_send_frame(struct nci_dev *ndev, struct sk_buff *skb) EXPORT_SYMBOL(nci_send_frame); /* Send NCI command */ -int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload) +int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, const void *payload) { struct nci_ctrl_hdr *hdr; struct sk_buff *skb;