Linux IOMMU Development
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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Vasant Hegde <vasant.hegde@amd.com>,
	Jason Gunthorpe <jgg@nvidia.com>, Joerg Roedel <jroedel@suse.de>,
	Sasha Levin <sashal@kernel.org>,
	joro@8bytes.org, will@kernel.org, iommu@lists.linux.dev
Subject: [PATCH AUTOSEL 6.12 166/486] iommu/amd/pgtbl_v2: Improve error handling
Date: Mon,  5 May 2025 18:34:02 -0400	[thread overview]
Message-ID: <20250505223922.2682012-166-sashal@kernel.org> (raw)
In-Reply-To: <20250505223922.2682012-1-sashal@kernel.org>

From: Vasant Hegde <vasant.hegde@amd.com>

[ Upstream commit 36a1cfd497435ba5e37572fe9463bb62a7b1b984 ]

Return -ENOMEM if v2_alloc_pte() fails to allocate memory.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20250227162320.5805-4-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/iommu/amd/io_pgtable_v2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/amd/io_pgtable_v2.c b/drivers/iommu/amd/io_pgtable_v2.c
index c616de2c5926e..a56a273963059 100644
--- a/drivers/iommu/amd/io_pgtable_v2.c
+++ b/drivers/iommu/amd/io_pgtable_v2.c
@@ -254,7 +254,7 @@ static int iommu_v2_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
 		pte = v2_alloc_pte(cfg->amd.nid, pgtable->pgd,
 				   iova, map_size, gfp, &updated);
 		if (!pte) {
-			ret = -EINVAL;
+			ret = -ENOMEM;
 			goto out;
 		}
 
-- 
2.39.5


  parent reply	other threads:[~2025-05-05 22:45 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20250505223922.2682012-1-sashal@kernel.org>
2025-05-05 22:31 ` [PATCH AUTOSEL 6.12 015/486] iommufd: Extend IOMMU_GET_HW_INFO to report PASID capability Sasha Levin
2025-05-05 22:33 ` [PATCH AUTOSEL 6.12 145/486] iommu: Keep dev->iommu state consistent Sasha Levin
2025-05-05 22:34 ` [PATCH AUTOSEL 6.12 165/486] iommu/vt-d: Move scalable mode ATS enablement to probe path Sasha Levin
2025-05-05 22:34 ` Sasha Levin [this message]
2025-05-05 22:34 ` [PATCH AUTOSEL 6.12 210/486] iommufd: Disallow allocating nested parent domain with fault ID Sasha Levin
2025-05-05 22:35 ` [PATCH AUTOSEL 6.12 279/486] genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie Sasha Levin

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