iommu/amd: Fix error handling for pdev_pri_ats_enable()

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Current code throws kernel warning if it fails to enable pasid/pri [1].
Do not call pci_disable_[pasid/pri] if pci_enable_[pasid/pri] failed.

[1] https://lore.kernel.org/linux-iommu/15d0f9ff-2a56-b3e9-5b45-e6b23300ae3b@leemhuis.info/

Reported-by: Matt Fagnani <matt.fagnani@bell.net>
Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20230111121503.5931-1-vasant.hegde@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Vasant Hegde 2023-01-11 12:15:03 +00:00 • committed by Joerg Roedel

parent ba9bee7f59

commit 080920e521

1 changed files with 7 additions and 5 deletions

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drivers/iommu/amd/iommu.c

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