iommu/vt-d: Use WARN_ON_ONCE instead of BUG_ON in qi_flush_dev_iotlb()

A misaligned address is only worth a warning, and not stopping the while execution path with a BUG_ON(). Signed-off-by: Joerg Roedel <jroedel@suse.de>
mariux64 · May 3, 2018 · a85894c · a85894c
1 parent 0dfc0c7
commit a85894c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
@@ -1345,7 +1345,7 @@ void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 qdep,
 	struct qi_desc desc;
 
 	if (mask) {
-		BUG_ON(addr & ((1ULL << (VTD_PAGE_SHIFT + mask)) - 1));
+		WARN_ON_ONCE(addr & ((1ULL << (VTD_PAGE_SHIFT + mask)) - 1));
 		addr |= (1ULL << (VTD_PAGE_SHIFT + mask - 1)) - 1;
 		desc.high = QI_DEV_IOTLB_ADDR(addr) | QI_DEV_IOTLB_SIZE;
 	} else