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[2620:137:e000::1:20]) by mx.google.com with ESMTP id s10-20020a170906354a00b007891fd9179bsi8878430eja.150.2022.10.17.19.51.17; Mon, 17 Oct 2022 19:51:43 -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=@mediatek.com header.s=dk header.b=Dq7CRYx7; 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; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=mediatek.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230421AbiJRCnW (ORCPT + 99 others); Mon, 17 Oct 2022 22:43:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229486AbiJRCnU (ORCPT ); Mon, 17 Oct 2022 22:43:20 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35F5392CD6 for ; Mon, 17 Oct 2022 19:43:13 -0700 (PDT) X-UUID: eb32c49467a845c88e54da13fe5e0a01-20221018 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=xOtiT/NwCRsCp5EbTW4+Y+cH+1/rZPndZCH6CUJOv6Y=; b=Dq7CRYx7Yyksd+oOf6wGZqTdNY7BE36nQMkOWZ9IgCx/k3oQOtV2pIjzv9QEAelgyatqqpbELhfxg3/flMWPaFXiyIFWqY8AA5RGpykSd4/mOBJ/uYlDIbIj9HLaWinHZytRjYrZb92dc53JcM6zCX5Z62pdtK5mkwUKSUkqtic=; X-CID-P-RULE: Spam_GS6885AD X-CID-O-INFO: VERSION:1.1.11,REQID:1a1a8510-989a-434e-aebd-9aa11e59a66f,IP:0,U RL:0,TC:0,Content:100,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_GS6885AD,AC TION:quarantine,TS:195 X-CID-INFO: VERSION:1.1.11,REQID:1a1a8510-989a-434e-aebd-9aa11e59a66f,IP:0,URL :0,TC:0,Content:100,EDM:0,RT:0,SF:95,FILE:0,BULK:0,RULE:Spam_US65DF41,ACTI ON:quarantine,TS:195 X-CID-META: VersionHash:39a5ff1,CLOUDID:0fe518a4-ebb2-41a8-a87c-97702aaf2e20,B ulkID:221018104308KMNIPY0V,BulkQuantity:0,Recheck:0,SF:38|28|17|19|48|801, TC:nil,Content:3,EDM:-3,IP:nil,URL:1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL: 0 X-UUID: eb32c49467a845c88e54da13fe5e0a01-20221018 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 673028676; Tue, 18 Oct 2022 10:43:06 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 18 Oct 2022 10:43:05 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 18 Oct 2022 10:43:04 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Will Deacon CC: Robin Murphy , , , , , Yong Wu , AngeloGioacchino Del Regno , , , , , , , , Guenter Roeck , Dan Carpenter Subject: [PATCH v7 0/6] iommu/mediatek: Improve safety from invalid dts input Date: Tue, 18 Oct 2022 10:42:52 +0800 Message-ID: <20221018024258.19073-1-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS, T_SPF_TEMPERROR,UNPARSEABLE_RELAY autolearn=ham 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 This patchset contains misc improve patches. Mainly to improve safety from invalid dts input. Change notes: v7: Rebase on v6.1-rc1. Change nothing. v6: https://lore.kernel.org/linux-mediatek/20220920063733.21770-1-yong.wu@mediatek.com/ No change code. just reword the commit message in [3/6] from Angelo. v5: https://lore.kernel.org/linux-mediatek/20220919092405.8256-1-yong.wu@mediatek.com/ a) Loop from MTK_LARB_NR_MAX in the error path from Angelo. b) Fix the redundant put_device for the error patch outside the loop from dan. v4: https://lore.kernel.org/linux-mediatek/20220824064306.21495-1-yong.wu@mediatek.com/ a) Just remove the first patch about dev_err_probe since it was merged. b) Rebase v6.0-rc1 v3: https://lore.kernel.org/linux-mediatek/20220701053942.3266-1-yong.wu@mediatek.com/ a) Add platform_device_put from Robin. b) Use component_match_add instead component_match_add_release suggested from Robin. v2: https://lore.kernel.org/linux-mediatek/20220616054203.11365-1-yong.wu@mediatek.com/ a) Rebase on v5.19-rc1. b) Add a New patch [5/5] just remove a variable that only is for v1. v1: https://lore.kernel.org/linux-mediatek/20220511064920.18455-1-yong.wu@mediatek.com/ Base on linux-next-20220510. the improve safety from dts is base on: https://lore.kernel.org/linux-mediatek/20211210205704.1664928-1-linux@roeck-us.net/ Guenter Roeck (1): iommu/mediatek: Validate number of phandles associated with "mediatek,larbs" Yong Wu (5): iommu/mediatek: Add platform_device_put for recovering the device refcnt iommu/mediatek: Use component_match_add iommu/mediatek: Add error path for loop of mm_dts_parse iommu/mediatek: Improve safety for mediatek,smi property in larb nodes iommu/mediatek: Remove unused "mapping" member from mtk_iommu_data drivers/iommu/mtk_iommu.c | 106 +++++++++++++++++++++++++++----------- 1 file changed, 76 insertions(+), 30 deletions(-) -- 2.18.0