VFIO fixes for v5.0-rc2

- Fix trace header include path for in-tree builds (Masahiro Yamada)
 
  - Fix overflow in unmap wrap-around test (Alex Williamson)
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Merge tag 'vfio-v5.0-rc2' of git://github.com/awilliam/linux-vfio

Pull VFIO fixes from Alex Williamson:

 - Fix trace header include path for in-tree builds (Masahiro Yamada)

 - Fix overflow in unmap wrap-around test (Alex Williamson)

* tag 'vfio-v5.0-rc2' of git://github.com/awilliam/linux-vfio:
  vfio/type1: Fix unmap overflow off-by-one
  vfio/pci: set TRACE_INCLUDE_PATH to fix the build error

drivers/vfio/pci/trace.h

@@ -94,7 +94,7 @@ TRACE_EVENT(vfio_pci_npu2_mmap,
 #endif /* _TRACE_VFIO_PCI_H */
 
 #undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_PATH ../../drivers/vfio/pci
 #undef TRACE_INCLUDE_FILE
 #define TRACE_INCLUDE_FILE trace
 

drivers/vfio/vfio_iommu_type1.c

@@ -878,7 +878,7 @@ static int vfio_dma_do_unmap(struct vfio_iommu *iommu,
 		return -EINVAL;
 	if (!unmap->size || unmap->size & mask)
 		return -EINVAL;
-	if (unmap->iova + unmap->size < unmap->iova ||
+	if (unmap->iova + unmap->size - 1 < unmap->iova ||
 	    unmap->size > SIZE_MAX)
 		return -EINVAL;