6.11-stable review patch. If anyone has any objections, please let me know.
------------------
From: Vasant Hegde <vasant.hegde@xxxxxxx>
[ Upstream commit 293aa9ec694e633bff83ab93715a2684e15fe214 ]
Do not try to set max_pasids in error path as dev_data is not allocated.
Fixes: a0c47f233e68 ("iommu/amd: Introduce iommu_dev_data.max_pasids")
Signed-off-by: Vasant Hegde <vasant.hegde@xxxxxxx>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
Link: https://lore.kernel.org/r/20240828111029.5429-5-vasant.hegde@xxxxxxx
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/iommu/amd/iommu.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index b19e8c0f48fa2..fc660d4b10ac8 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -2185,11 +2185,12 @@ static struct iommu_device *amd_iommu_probe_device(struct device *dev)
dev_err(dev, "Failed to initialize - trying to proceed anyway\n");
iommu_dev = ERR_PTR(ret);
iommu_ignore_device(iommu, dev);
- } else {
- amd_iommu_set_pci_msi_domain(dev, iommu);
- iommu_dev = &iommu->iommu;
+ goto out_err;
}
+ amd_iommu_set_pci_msi_domain(dev, iommu);
+ iommu_dev = &iommu->iommu;
+
/*
* If IOMMU and device supports PASID then it will contain max
* supported PASIDs, else it will be zero.
@@ -2201,6 +2202,7 @@ static struct iommu_device *amd_iommu_probe_device(struct device *dev)
pci_max_pasids(to_pci_dev(dev)));
}
+out_err:
iommu_completion_wait(iommu);
return iommu_dev;
--
2.43.0
