diff mbox series

[16/17] iommu/vt-d: Remove a useless BUG_ON(dev->is_virtfn)

Message ID 20230411064815.31456-17-baolu.lu@linux.intel.com
State New
Headers
Series Intel IOMMU updates for Linux v6.4 |

Commit Message

Baolu Lu April 11, 2023, 6:48 a.m. UTC 
  From: Tina Zhang <tina.zhang@intel.com>

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>
---
 drivers/iommu/intel/dmar.c | 2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index f0f51c957ccb..9346c6e7ebae 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -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