iommu/vt-d: Remove BUG_ON in dmar_insert_dev_scope()

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The dmar_insert_dev_scope() could fail if any unexpected condition is
encountered. However, in this situation, the kernel should attempt
recovery and proceed with execution. Remove BUG_ON with WARN_ON, so that
kernel can avoid being crashed when an unexpected condition occurs.

Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Link: https://lore.kernel.org/r/20230406065944.2773296-8-tina.zhang@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Tina Zhang 2023-04-13 12:06:45 +08:00 • committed by Joerg Roedel

parent ff45ab9646

commit e60d63e32d

1 changed files with 2 additions and 1 deletions

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drivers/iommu/intel/dmar.c

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