Commit ff45ab96 authored by Tina Zhang's avatar Tina Zhang Committed by Joerg Roedel
Browse files

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



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: default avatarTina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20230406065944.2773296-7-tina.zhang@intel.com


Signed-off-by: default avatarLu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent cbf2f9e8

drivers/iommu/intel/dmar.c

+0 −2
Original line number Diff line number Diff line
@@ -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