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 <[e-mail]>

drivers/iommu/dmar.c

···
 	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