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iommu/vt-d: Remove a useless BUG_ON(dev->is_virtfn)

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When dmar_alloc_pci_notify_info() is being invoked, the invoker has
ensured the dev->is_virtfn is false. So, remove the useless BUG_ON in
dmar_alloc_pci_notify_info().

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20230406065944.2773296-7-tina.zhang@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Tina Zhang 2023-04-13 12:06:44 +08:00 committed by Joerg Roedel
parent cbf2f9e8ba
commit ff45ab9646
1 changed files with 0 additions and 2 deletions
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2
drivers/iommu/intel/dmar.c
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@ -127,8 +127,6 @@ dmar_alloc_pci_notify_info(struct pci_dev *dev, unsigned long event)
struct pci_dev *tmp;
struct dmar_pci_notify_info *info;
BUG_ON(dev->is_virtfn);
/*
* Ignore devices that have a domain number higher than what can
* be looked up in DMAR, e.g. VMD subdevices with domain 0x10000