From patchwork Mon Jul 31 08:38:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 128521 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:918b:0:b0:3e4:2afc:c1 with SMTP id s11csp1902347vqg; Mon, 31 Jul 2023 02:48:17 -0700 (PDT) X-Google-Smtp-Source: APBJJlGAFzHc0TK318QSHYczmyjgrySbX479zfS697oXxjo96FSHJgSQywCrryW6/ds64rn1ArOH X-Received: by 2002:a17:903:2450:b0:1b7:e49f:1d with SMTP id l16-20020a170903245000b001b7e49f001dmr9660898pls.62.1690796897548; Mon, 31 Jul 2023 02:48:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690796897; cv=none; d=google.com; s=arc-20160816; b=q5hTNTuAJhCD36JnJV+uLcH7qi7dcZJdvFXGgBYzVedbdAsCNh4LV2jN3Wo6X6wjLZ 25VO4wWy/1Fop7WR5UJN2oItnqQzKfxTgBJ3VfqAGvSteQ6MHZZodVOJPQJiLzB3vh+g LOI+Tyt8SXyJHPni8FZq7o6xAnqFmSFstu/BS1l+6kKbUIBXZYO5iHqZwNQThlGavCC8 2ddgj53HmjmKYL+oKENaZVLfKVHP2nOhY/MoY2H6HowDFDA7Zn71gMWVvCb+9HbBgY/Q QQH0l5JNEIeDL4emGs8bhylDi+c8ZaJiaHlS83JPH+KlNRnQWOdBzRdFkjBcDfM1N/x6 qm8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=NogRc+PV5Ggqg3zuB9ufDe2OOc/ycxdytdzIcHbUmmE=; fh=Jf3M7ygXb8W1KLUVtb0UJCFyg9JtKT8TxO5XgFASIj0=; b=JjlpeQ1QOBsV0OKSWZfpidBYuq41a4rJs5gnUFVtDzYA4cF9kQ6E9zoR8rPA82Dq6g 1EUIKmBIHkHDEMV0AQ3a9fzrzzlDDYrrhSKd8SgMsHyafpd01dDMQTmauoVMDsf0OPPR baGC2KfLxZWQ835QHSwe3wUGmFpe/dhYaZxq/I/Ajowtg6hsP1wfCpesRcr/Gt6ukyF7 d85lEEa8QGK7Hp+35yTf+iIbDOH/G4UGp5Vj9OQUSMPIPSEIPAxmnfGsz6ynKzRKYGQz RcXVajqqE8nU6Nz2Xi+CHAofq6GeymC9YPPsN0zPqOVDXwIJwyoVmbNrmqI/1NWVi5ri UEEg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=LnBJRrWL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id q5-20020a170902dac500b001b8ae5d825bsi7253153plx.612.2023.07.31.02.48.04; Mon, 31 Jul 2023 02:48:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=LnBJRrWL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232034AbjGaIjb (ORCPT + 99 others); Mon, 31 Jul 2023 04:39:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232023AbjGaIjA (ORCPT ); Mon, 31 Jul 2023 04:39:00 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D4ACE5B; Mon, 31 Jul 2023 01:38:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=NogRc+PV5Ggqg3zuB9ufDe2OOc/ycxdytdzIcHbUmmE=; b=LnBJRrWLCidFZOfw/o0WLM6JbO a5PqWi1N1j5x3vvveGCItTRyv+xxUvBqQcPc44Y4kGy0bFdMyxp2Nc4ZsbNhzBa0ijkoTFO5NJga9 1QwdoNnOQO8JKPHZ7ATsJSdpMrnl7629LUiyiWPdrI6/UVssAOYdRi/Ncg2FbkF4+t/aiCgLWIYzS W9x2f6EVNUpU/iuvwos6YmYMdJmRcdi5Ov3Kc7aa55xLGItypOxn7JPt1sCxoxknytEEbkW3ZQTt8 2YudLQf4mgBxSPBjoWnNGKIIiuBkeE698M9f3Qw5xIYicWrIQJF1amInOj3GDbUE2//dGJT7eA2KY clnLosvA==; Received: from 2a02-8389-2341-5b80-39d3-4735-9a3c-88d8.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:39d3:4735:9a3c:88d8] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qQOPt-00EYrF-2B; Mon, 31 Jul 2023 08:38:14 +0000 From: Christoph Hellwig To: Luis Chamberlain , Greg Kroah-Hartman , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Ulf Hansson , Yangbo Lu , Joshua Kinard Cc: Daniel Vetter , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org (open list), linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-rtc@vger.kernel.org, linux-modules@vger.kernel.org Subject: [PATCH 1/5] ARM/pxa: use EXPORT_SYMBOL_GPL for sharpsl_battery_kick Date: Mon, 31 Jul 2023 10:38:02 +0200 Message-Id: <20230731083806.453036-2-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230731083806.453036-1-hch@lst.de> References: <20230731083806.453036-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772929047749838650 X-GMAIL-MSGID: 1772929047749838650 sharpsl_battery_kick is only used via symbol_get, which was only ever intended for very internal symbols like this one. Use EXPORT_SYMBOL_GPL for it so that symbol_get can enforce only being used on EXPORT_SYMBOL_GPL symbols. Signed-off-by: Christoph Hellwig Acked-by: Arnd Bergmann --- arch/arm/mach-pxa/sharpsl_pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c index d29bdcd5270e0f..08eec58632c988 100644 --- a/arch/arm/mach-pxa/sharpsl_pm.c +++ b/arch/arm/mach-pxa/sharpsl_pm.c @@ -216,7 +216,7 @@ void sharpsl_battery_kick(void) { schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125)); } -EXPORT_SYMBOL(sharpsl_battery_kick); +EXPORT_SYMBOL_GPL(sharpsl_battery_kick); static void sharpsl_battery_thread(struct work_struct *private_) From patchwork Mon Jul 31 08:38:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 128501 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:918b:0:b0:3e4:2afc:c1 with SMTP id s11csp1898322vqg; Mon, 31 Jul 2023 02:36:54 -0700 (PDT) X-Google-Smtp-Source: APBJJlEg4L6x59Y7V+wD0v06HiaMYtmhRMeH3MJspxDQsYh6DMBYflnPm6jIae8q9zu0rFOejdlb X-Received: by 2002:a17:906:225d:b0:993:e9b8:90ec with SMTP id 29-20020a170906225d00b00993e9b890ecmr6856869ejr.22.1690796213896; Mon, 31 Jul 2023 02:36:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690796213; cv=none; d=google.com; s=arc-20160816; b=fpFiBb1RXs3TrpnKW8H8YfpMjGdq2BPyw/DY9LenwxJ9INRWQ7xWh+IUPada+iUxwU 8StV9BXuWvbX+KBCoKkdC5bJglrjhIVRTKQyH8RuwFd136kb2yON2qoBxp9+e3TmUgWN yRFTKovl3E25EQJGO/EXTjc06q+RXIDA2/GhQ1UAr/V2O0vZkAGRO9o47ERg6/vms3BD RdCU62t3si6kx2zji0lZq1sUw4kd4JMZrKqNr3ZPOPy3zb2x8YmFo8nYQ7dmLux/mphD QbxQYONfqVYNkY3W7ntk+2iQKS3j1Z/Bo7W0TtJF/ks0i/tYCflyjAkjFAOrwD76vVEy uXAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=fLO5cTjK2aZvhLhqBGu9DGi6eO8dcnvGWd+wpWQaBew=; fh=Jf3M7ygXb8W1KLUVtb0UJCFyg9JtKT8TxO5XgFASIj0=; b=ueQtIXPjHKXgNVwlzfjIbW/L6+ZSZ4La+y+3Q0H9kF1vvswJGdVM2RLBWxfZqH1COT fCKpDk7djQT1tMPB6803WB67BWmtjoOBvXyQiHPKi6YpNMHC3TFK4L81QECJ+o+3bTNw Hcv9mEJ2NTt8aVweC32eVxuOiMyMPVPCu4Bv0f7XthxAHTIi0IvprL3ot1k4tAaLKn+2 eT+TctG2CF/B2ztbzJT7PKJN2nEmnb3MhcU41TJB5cH7rDa+zHnt1UL5yFBJujubPtLZ tO1pdIv4BMPjRs27ryowFV/ZEs8Q7SxAs3OQ6O0F/2Bv1MX4VCRd5hxm4Me90LJk0xAL 7QFA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=Ifd0poBo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. 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See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772928330824736592 X-GMAIL-MSGID: 1772928330824736592 enetc_phc_index is only used via symbol_get, which was only ever intended for very internal symbols like this one. Use EXPORT_SYMBOL_GPL for it so that symbol_get can enforce only being used on EXPORT_SYMBOL_GPL symbols. Signed-off-by: Christoph Hellwig Reviewed-by: Jakub Kicinski --- drivers/net/ethernet/freescale/enetc/enetc_ptp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_ptp.c b/drivers/net/ethernet/freescale/enetc/enetc_ptp.c index 17c097cef7d45f..5243fc03105890 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_ptp.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_ptp.c @@ -8,7 +8,7 @@ #include "enetc.h" int enetc_phc_index = -1; -EXPORT_SYMBOL(enetc_phc_index); +EXPORT_SYMBOL_GPL(enetc_phc_index); static struct ptp_clock_info enetc_ptp_caps = { .owner = THIS_MODULE, From patchwork Mon Jul 31 08:38:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 128484 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:918b:0:b0:3e4:2afc:c1 with SMTP id s11csp1886646vqg; Mon, 31 Jul 2023 02:05:38 -0700 (PDT) X-Google-Smtp-Source: APBJJlHXq8skhNzqZT7hJ3DQY/G5uh0+h7t9jmDiDwayt3J99+h6a4FufMP4e8g71nlEBw+46BKY X-Received: by 2002:a17:903:32c2:b0:1bc:ae0:9d76 with SMTP id i2-20020a17090332c200b001bc0ae09d76mr3281223plr.20.1690794338450; Mon, 31 Jul 2023 02:05:38 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690794338; cv=none; d=google.com; s=arc-20160816; b=sFokOY6AOKYucaavkPhfqGxQRJrz1EFwED3HsiISd0klfZ2OEYgLb22AwaaM1QygNQ uRPTyOWzdmDYi2uwH+cRkGo0Y2cVyK+add4tIV6/ST9bhxpGVNQbW+GjN6y50WcWssqG JIaPEslCQt7QEnS+KHCNGEowr4HxhB1WqHqAn+1G1c3YZKxMgXsuH2rBhRKB5kuOOOkz 7BCy7bIDUrr139otJ5aLR8sVAiVoV8H2z0ORjYNf+cddFwarY3hZI/UFtchq2c8BJdDY RBWr+dRF5S18kW0h/jbNeMU1WtsLP4zSsTwzLXul3R47aa6KQMllt7eW8kZhCVbfzCQr oFJw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=fSYCwKgFSxRsQnOiMkLD0aWXej2SXCzCx/mya3sKi5Y=; fh=Jf3M7ygXb8W1KLUVtb0UJCFyg9JtKT8TxO5XgFASIj0=; b=pGS+YgD0vay8CDN4M1NbserkiH0rxpyLak/6p0uNpVvrDN4Svu2PVcFRDK8k0efXnY 8iSHWyn6ueTL0oxo8uYGY34FGCvrisD7+fjQe5MDPpV2JpmkmarwdIhbcAgseJQuHCno tEAH6PON8oWc+tDdrR3euuRaqaLUzbsG6QIb5t8VFGjq47Zyo6N2jLUoR2QCWUfRy+bd uSi4BWg9NIgZ2XZETM/itlifPfopgIqut06DrFvcMLe+YH44e8m+43xhyyz5oXf7BCUj YwaGzBlSQryOFaZduqTwEodND+iuBcq5BPAxAPjLrA9ybLzHJDrn7TYwMgOeFvt4NxZl aVeQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=dV2+ZSbE; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id o10-20020a170903300a00b001b8805f98e5si6722315pla.591.2023.07.31.02.05.24; Mon, 31 Jul 2023 02:05:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=dV2+ZSbE; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232038AbjGaIjh (ORCPT + 99 others); Mon, 31 Jul 2023 04:39:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232036AbjGaIjG (ORCPT ); Mon, 31 Jul 2023 04:39:06 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DF1F10C3; Mon, 31 Jul 2023 01:38:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=fSYCwKgFSxRsQnOiMkLD0aWXej2SXCzCx/mya3sKi5Y=; b=dV2+ZSbE5qs9f+j8izISuSCbf7 KqznQUeNoA6VVk+gZp6aCH5p7R0Iu7mJiXj2prBIgqf8pvHqrUgYoBeXsqedQzBVNAmHVNVlskSwF 9amCkoRDdyi7pFZUAcPBixlWpZS7aEosSV+UYseKR891VH43+Ub17SxeELAfnm4xzmyCBKVEWIxr4 6MH4uHlIU9RmCc/1b2lGqy+xoeM3q4PJmM7LhJLdSY8MYO5nFSPtYwM1IV/OK2d/OHWzZhIFWNCiS CFJWfgZ5P6F4M0MQ8IKsmajylfs/JW4DNXMALyKYGrAvd2wAcAACcMfgoXYvkRxqQxKRGCxoSbypY as/KKrZg==; Received: from 2a02-8389-2341-5b80-39d3-4735-9a3c-88d8.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:39d3:4735:9a3c:88d8] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qQOQ0-00EYsE-1O; Mon, 31 Jul 2023 08:38:20 +0000 From: Christoph Hellwig To: Luis Chamberlain , Greg Kroah-Hartman , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Ulf Hansson , Yangbo Lu , Joshua Kinard Cc: Daniel Vetter , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org (open list), linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-rtc@vger.kernel.org, linux-modules@vger.kernel.org Subject: [PATCH 3/5] rtc: ds1685: use EXPORT_SYMBOL_GPL for ds1685_rtc_poweroff Date: Mon, 31 Jul 2023 10:38:04 +0200 Message-Id: <20230731083806.453036-4-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230731083806.453036-1-hch@lst.de> References: <20230731083806.453036-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772926364425631464 X-GMAIL-MSGID: 1772926364425631464 ds1685_rtc_poweroff is only used externally via symbol_get, which was only ever intended for very internal symbols like this one. Use EXPORT_SYMBOL_GPL for it so that symbol_get can enforce only being used on EXPORT_SYMBOL_GPL symbols. Signed-off-by: Christoph Hellwig Acked-by: Joshua Kinard --- drivers/rtc/rtc-ds1685.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c index 0f707be0eb87fa..04dbf35cf3b706 100644 --- a/drivers/rtc/rtc-ds1685.c +++ b/drivers/rtc/rtc-ds1685.c @@ -1432,7 +1432,7 @@ ds1685_rtc_poweroff(struct platform_device *pdev) unreachable(); } } -EXPORT_SYMBOL(ds1685_rtc_poweroff); +EXPORT_SYMBOL_GPL(ds1685_rtc_poweroff); /* ----------------------------------------------------------------------- */ From patchwork Mon Jul 31 08:38:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 128525 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:918b:0:b0:3e4:2afc:c1 with SMTP id s11csp1902618vqg; Mon, 31 Jul 2023 02:49:01 -0700 (PDT) X-Google-Smtp-Source: APBJJlEhJPnJtUpWnT8Drxxm6okkIv+xLaRUrSJPsvus11SS2uQjOouV84MsFJ1fF7yPgyLzZF8x X-Received: by 2002:a05:6358:52cc:b0:135:99fa:a125 with SMTP id z12-20020a05635852cc00b0013599faa125mr7096787rwz.1.1690796941453; Mon, 31 Jul 2023 02:49:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690796941; cv=none; d=google.com; s=arc-20160816; b=e/SbQiQXe6XzIXKkq0DkTqYd22/q334rpWLTM0yEecD2GC8M3YmHN5omuXjm+xDxKh Gtx/n45+ioxxCBsW/dLa6HkTAw/5PEh+50qHsaFwQzO3enhfS7uOJc9ZQ7ITpK97qn4q yn0DMUV2q+R0YWtCGaa71pIP4PX+gMEUvmZv3F18stbTwWi5fUZgh+2C+U3z2v5Unkpv Chen01ejgBInHgRBq8W6Do6jlz9KcKdLSfSsdTyk5O5qbDkPt2GU6R85AndhJGhM1uW3 7bHft5Ja0uYr3t3s6hLjlh0GvVxdPa1I53DYFU4iA5LTcjVog5TLVflyoJnN7mFTtE3+ wzVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=ttl1JAg1w0mUKTBhkaN+L9fgEa5IyTTOyMQJJhARt48=; fh=Jf3M7ygXb8W1KLUVtb0UJCFyg9JtKT8TxO5XgFASIj0=; b=0zSL39qx4yERB8wa6sp4YVaCyBgR9p49dQJ1Hc42lsSd4A+R8bnA+cjuT2T24ZyJZI 1slkjkafcgsZnQ+CjFkhUfVakKiKV1Q/D/EWH3nWVXiefp/0HuqXnbmy1IfyTsqJvbSJ mI13tl8VjpEoZz7NTjiLIhw+LItehk9peAZGpmxeJ82dr/TYzVn6dUjrog9LR1lvywQu 7J8NDJ26ZK0fIS62c519y9eWR4YwTlthNM2ShhSZRZy9Mf86zriw/G3NN8rKsepzneBW IiL6V9POGZf+9ukZ9x7Hda2Y+qCPS/CTC0E7qCWfojmaz+GvQgiSK4V5iCKCuvQekbc4 f2iw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b="ZKOLTQ7/"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. 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See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772929094055886937 X-GMAIL-MSGID: 1772929094055886937 mmc_detect_change is used via symbol_get, which was only ever intended for very internal symbols like this one. Use EXPORT_SYMBOL_GPL for it so that symbol_get can enforce only being used on EXPORT_SYMBOL_GPL symbols. Signed-off-by: Christoph Hellwig --- drivers/mmc/core/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 3d3e0ca5261481..8ffd78fae1e7b9 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1433,7 +1433,7 @@ void mmc_detect_change(struct mmc_host *host, unsigned long delay) { _mmc_detect_change(host, delay, true); } -EXPORT_SYMBOL(mmc_detect_change); +EXPORT_SYMBOL_GPL(mmc_detect_change); void mmc_init_erase(struct mmc_card *card) { From patchwork Mon Jul 31 08:38:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 128485 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:918b:0:b0:3e4:2afc:c1 with SMTP id s11csp1886902vqg; Mon, 31 Jul 2023 02:06:14 -0700 (PDT) X-Google-Smtp-Source: APBJJlGid5DIdx5X0nx1OuswfgupeG3I1Z9zOTVkeEmlrIDKGnKT4qBI/XRATA1jj5lKIUphsKTO X-Received: by 2002:a17:903:124e:b0:1b8:b41e:66b4 with SMTP id u14-20020a170903124e00b001b8b41e66b4mr10630230plh.67.1690794374167; Mon, 31 Jul 2023 02:06:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690794374; cv=none; d=google.com; s=arc-20160816; b=D04j9LcunDek4tIV+IWKhmN/KrNfkbLvL7oqIyBPxIYYsnNH6x4RbfqDpGpKYXpo/D fqIR3BDL7dTkccobDIzkBkjLgtcS2maTGIsFFMiD9Z9qoNAT8xd/OemM1JKOhqAHNk/R iJwbxBU3BxEh2mScQlZP6g8+SG1pzxgCkuOPNfruzS/uDwRq7mQc+Z9R2AOmcRZHyxky ov7rcUEknXjUyHDLl47JWYHnZyNdWaYqht1FvUUP2RkFLe46BZCTl09LaTQk/V3lOw/5 WoPC9nrmMq0T8U+TATEJGLirE00CxwiCdlN8kPf9eLtRCA8z7+LLiPZiNT3vamIOafql XppA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=fpzWiCemt8iyK69nP61qCLs36MXwZ+pdOr4ITT1eya0=; fh=Jf3M7ygXb8W1KLUVtb0UJCFyg9JtKT8TxO5XgFASIj0=; b=uRIdwO2klnJ5wrJxItKPD9wUdr7VmuHB5FUBzXiZWc8GjYo/HIBLAeh0+yLbxl4HN6 GM+KBMcmTC8BTbwDeV9zSa0fgrv3HbYbOd94yrUQRSvpRjORE5fsYEPLQv96P80f6Ah4 4RGt4piG17b/22TIXZLWyyVWsYbOGSm1vnulJc8baBChUar9j0VZ/DKFC8V4zxKcilZ6 qjDZA1BU5sGGHHhv3v3LNJkLi9tnZjrPJNgFWEDF6j8zcg1tJxsF8uL+1bhRQmJv2oBw X3t0tD+nibjrVNjOKJd7z5dzlu+J4xTYImrTyPIIJEMrzoSL26kEnA6S0QJM0OSeRSiw EMBg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=haZPeO5L; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id lb16-20020a170902fa5000b001b58767a0f7si6812956plb.60.2023.07.31.02.06.00; Mon, 31 Jul 2023 02:06:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=haZPeO5L; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231722AbjGaIkC (ORCPT + 99 others); Mon, 31 Jul 2023 04:40:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231642AbjGaIjT (ORCPT ); Mon, 31 Jul 2023 04:39:19 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9ECE10F0; Mon, 31 Jul 2023 01:38:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=fpzWiCemt8iyK69nP61qCLs36MXwZ+pdOr4ITT1eya0=; b=haZPeO5LdCP8/cngv1IF8GYnCB JpI6Oqi+D5JWYV1zV+UjHB17TpOjFoeZZzwl1VQafULr2qvZRn/XoTAXSHIEjVqtWdVCMz8RpuO6N o6gFWkRf/SJGeERduYeO8nm11vdejRYzeBlpu8QN5MxNjuAxE/FZHwOrcL+9NtHTnvsc1MUJqDMMt cXSljNq6m1mtzPD90yydTLSCGm866aXjcZtAE+wJufjf9+QUNmVjm+JGAx/+tmp3PNtX1yf4QYSqg JOn2InDeSov1ckzUOPpiLvTZO86uQ3G/hx3/Us7Jx/uXyo6lci2OF1mLPe6VF9vpF6DDFvT+Y5p5m u2OKnHLQ==; Received: from 2a02-8389-2341-5b80-39d3-4735-9a3c-88d8.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:39d3:4735:9a3c:88d8] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qQOQ6-00EYvK-1x; Mon, 31 Jul 2023 08:38:26 +0000 From: Christoph Hellwig To: Luis Chamberlain , Greg Kroah-Hartman , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Ulf Hansson , Yangbo Lu , Joshua Kinard Cc: Daniel Vetter , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org (open list), linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-rtc@vger.kernel.org, linux-modules@vger.kernel.org Subject: [PATCH 5/5] modules: only allow symbol_get of EXPORT_SYMBOL_GPL modules Date: Mon, 31 Jul 2023 10:38:06 +0200 Message-Id: <20230731083806.453036-6-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230731083806.453036-1-hch@lst.de> References: <20230731083806.453036-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772926401785881203 X-GMAIL-MSGID: 1772926401785881203 It has recently come to my attention that nvidia is circumventing the protection added in 262e6ae7081d ("modules: inherit TAINT_PROPRIETARY_MODULE") by importing exports from their propriertary modules into an allegedly GPL licensed module and then rexporting them. Given that symbol_get was only ever inteded for tightly cooperating modules using very internal symbols it is logical to restrict it to being used on EXPORY_SYMBOL_GPL and prevent nvidia from costly DMCA circumvention of access controls law suites. All symbols except for four used through symbol_get were already exported as EXPORT_SYMBOL_GPL, and the remaining four ones were switched over in the preparation patches. Fixes: 262e6ae7081d ("modules: inherit TAINT_PROPRIETARY_MODULE") Signed-off-by: Christoph Hellwig Reviewed-by: Greg Kroah-Hartman --- kernel/module/internal.h | 1 + kernel/module/main.c | 17 ++++++++++++----- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/kernel/module/internal.h b/kernel/module/internal.h index c8b7b4dcf7820d..add687c2abde8b 100644 --- a/kernel/module/internal.h +++ b/kernel/module/internal.h @@ -93,6 +93,7 @@ struct find_symbol_arg { /* Input */ const char *name; bool gplok; + bool gplonly; bool warn; /* Output */ diff --git a/kernel/module/main.c b/kernel/module/main.c index 59b1d067e52890..85d3f00ca65758 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -281,6 +281,8 @@ static bool find_exported_symbol_in_section(const struct symsearch *syms, if (!fsa->gplok && syms->license == GPL_ONLY) return false; + if (fsa->gplonly && syms->license != GPL_ONLY) + return false; sym = bsearch(fsa->name, syms->start, syms->stop - syms->start, sizeof(struct kernel_symbol), cmp_name); @@ -776,8 +778,9 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user, void __symbol_put(const char *symbol) { struct find_symbol_arg fsa = { - .name = symbol, - .gplok = true, + .name = symbol, + .gplok = true, + .gplonly = true, }; preempt_disable(); @@ -1289,14 +1292,18 @@ static void free_module(struct module *mod) void *__symbol_get(const char *symbol) { struct find_symbol_arg fsa = { - .name = symbol, - .gplok = true, - .warn = true, + .name = symbol, + .gplok = true, + .gplonly = true, + .warn = true, }; preempt_disable(); if (!find_symbol(&fsa) || strong_try_module_get(fsa.owner)) { preempt_enable(); + if (fsa.gplonly) + pr_warn("failing symbol_get of non-GPLONLY symbol %s.\n", + symbol); return NULL; } preempt_enable();