linux-kernel - [PATCH v2 2/4] iommufd/viommu: Fix the uninitialized iommufd

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Message-Id: <20250623094946.1714996-3-yilun.xu@linux.intel.com>
Date: Mon, 23 Jun 2025 17:49:44 +0800
From: Xu Yilun <yilun.xu@...ux.intel.com>
To: jgg@...dia.com,
	jgg@...pe.ca,
	kevin.tian@...el.com,
	will@...nel.org,
	aneesh.kumar@...nel.org
Cc: iommu@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	joro@...tes.org,
	robin.murphy@....com,
	shuah@...nel.org,
	nicolinc@...dia.com,
	aik@....com,
	dan.j.williams@...el.com,
	baolu.lu@...ux.intel.com,
	yilun.xu@...ux.intel.com,
	yilun.xu@...el.com
Subject: [PATCH v2 2/4] iommufd/viommu: Fix the uninitialized iommufd_vdevice::ictx

Fix the uninitialized iommufd_vdevice::ictx. No code was using this
field before, but later vdevice will use it to sync up with idevice on
destroy paths.

Fixes: 0ce5c2477af2 ("iommufd/viommu: Add IOMMUFD_OBJ_VDEVICE and IOMMU_VDEVICE_ALLOC ioctl")
Cc: <stable@...r.kernel.org>
Signed-off-by: Xu Yilun <yilun.xu@...ux.intel.com>
---
 drivers/iommu/iommufd/viommu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/iommufd/viommu.c b/drivers/iommu/iommufd/viommu.c
index 01df2b985f02..4577b88c8560 100644
--- a/drivers/iommu/iommufd/viommu.c
+++ b/drivers/iommu/iommufd/viommu.c
@@ -130,6 +130,7 @@ int iommufd_vdevice_alloc_ioctl(struct iommufd_ucmd *ucmd)
 		goto out_put_idev;
 	}
 
+	vdev->ictx = ucmd->ictx;
 	vdev->id = virt_id;
 	vdev->dev = idev->dev;
 	get_device(idev->dev);
-- 
2.25.1