linux-kernel - [PATCH] iommu/amd: Remove unused variable in amd_iommufd_viommu

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Message-ID: <20260120014843.194645-1-suravee.suthikulpanit@amd.com>
Date: Tue, 20 Jan 2026 01:48:43 +0000
From: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
To: <joro@...tes.org>, <jgg@...dia.com>, <nicolinc@...dia.com>
CC: <linux-kernel@...r.kernel.org>, <robin.murphy@....com>, <will@...nel.org>,
	<kevin.tian@...el.com>, <jsnitsel@...hat.com>, <vasant.hegde@....com>,
	<iommu@...ts.linux.dev>, <santosh.shukla@....com>,
	<sairaj.arunkodilkar@....com>, <jon.grimm@....com>,
	<prashanthpra@...gle.com>, <wvw@...gle.com>, <wnliu@...gle.com>,
	<gptran@...gle.com>, <kpsingh@...gle.com>, <joao.m.martins@...cle.com>,
	<alejandro.j.jimenez@...cle.com>, Suravee Suthikulpanit
	<suravee.suthikulpanit@....com>, kernel test robot <lkp@...el.com>
Subject: [PATCH] iommu/amd: Remove unused variable in amd_iommufd_viommu_destroy()

This fixes warning reported by 0-DAY CI Kernel Test Service.

Fixes: 757d2b1fdf5b ("iommu/amd: Introduce gDomID-to-hDomID Mapping and handle parent domain invalidation")
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601190634.bl7Mjx5Q-lkp@intel.com/
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
---
 drivers/iommu/amd/iommufd.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/iommu/amd/iommufd.c b/drivers/iommu/amd/iommufd.c
index 2e50633d9c72..ad627fd5ccc7 100644
--- a/drivers/iommu/amd/iommufd.c
+++ b/drivers/iommu/amd/iommufd.c
@@ -59,7 +59,6 @@ int amd_iommufd_viommu_init(struct iommufd_viommu *viommu, struct iommu_domain *
 static void amd_iommufd_viommu_destroy(struct iommufd_viommu *viommu)
 {
 	unsigned long flags;
-	struct amd_iommu *iommu = container_of(viommu->iommu_dev, struct amd_iommu, iommu);
 	struct amd_iommu_viommu *aviommu = container_of(viommu, struct amd_iommu_viommu, core);
 	struct protection_domain *pdom = aviommu->parent;
 
-- 
2.34.1