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Message-Id: <20250505223922.2682012-166-sashal@kernel.org>
Date: Mon, 5 May 2025 18:34:02 -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 6.12 166/486] 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 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
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