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Message-Id: <20250505230624.2692522-77-sashal@kernel.org>
Date: Mon, 5 May 2025 19:04:09 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Cc: Vasant Hegde <vasant.hegde@....com>,
Jason Gunthorpe <jgg@...dia.com>,
Joerg Roedel <jroedel@...e.de>,
Sasha Levin <sashal@...nel.org>,
joro@...tes.org,
will@...nel.org,
iommu@...ts.linux.dev
Subject: [PATCH AUTOSEL 6.1 077/212] iommu/amd/pgtbl_v2: Improve error handling
From: Vasant Hegde <vasant.hegde@....com>
[ Upstream commit 36a1cfd497435ba5e37572fe9463bb62a7b1b984 ]
Return -ENOMEM if v2_alloc_pte() fails to allocate memory.
Signed-off-by: Vasant Hegde <vasant.hegde@....com>
Reviewed-by: Jason Gunthorpe <jgg@...dia.com>
Link: https://lore.kernel.org/r/20250227162320.5805-4-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.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 232d17bd941fd..c86cbbc21e882 100644
--- a/drivers/iommu/amd/io_pgtable_v2.c
+++ b/drivers/iommu/amd/io_pgtable_v2.c
@@ -264,7 +264,7 @@ static int iommu_v2_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
map_size = get_alloc_page_size(pgsize);
pte = v2_alloc_pte(pdom->iop.pgd, iova, map_size, &updated);
if (!pte) {
- ret = -EINVAL;
+ ret = -ENOMEM;
goto out;
}
--
2.39.5
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