[PATCH v7 0/6] iommu/mediatek: Improve safety from invalid dts input

From: Yong Wu <yong.wu@mediatek.com>
To: Joerg Roedel <joro@8bytes.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Will Deacon <will@kernel.org>
Cc: Robin Murphy <robin.murphy@arm.com>, <iommu@lists.linux.dev>,
	<linux-mediatek@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, Yong Wu <yong.wu@mediatek.com>,
	AngeloGioacchino Del Regno 
	<angelogioacchino.delregno@collabora.com>,
	<mingyuan.ma@mediatek.com>, <yf.wang@mediatek.com>,
	<libo.kang@mediatek.com>, <chengci.xu@mediatek.com>,
	<youlin.pei@mediatek.com>, <anan.sun@mediatek.com>,
	<xueqi.zhang@mediatek.com>, Guenter Roeck <groeck@chromium.org>,
	Dan Carpenter <dan.carpenter@oracle.com>
Subject: [PATCH v7 0/6] iommu/mediatek: Improve safety from invalid dts input
Date: Tue, 18 Oct 2022 10:42:52 +0800	[thread overview]
Message-ID: <20221018024258.19073-1-yong.wu@mediatek.com> (raw)

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