Merge tag 'vfio-v3.16-rc1' of git://github.com/awilliam/linux-vfio into next

Pull VFIO updates from Alex Williamson:
 "A handful of VFIO bug fixes for v3.16"

* tag 'vfio-v3.16-rc1' of git://github.com/awilliam/linux-vfio:
  drivers/vfio/pci: Fix wrong MSI interrupt count
  drivers/vfio: Rework offsetofend()
  vfio/iommu_type1: Avoid overflow
  vfio/pci: Fix unchecked return value
  vfio/pci: Fix sizing of DPA and THP express capabilities

1 files changed, 2 insertions, 3 deletions

diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index 81022a52bc34..8ec980b5e3af 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -86,9 +86,8 @@ extern void vfio_unregister_iommu_driver(
  * from user space.  This allows us to easily determine if the provided
  * structure is sized to include various fields.
  */
-#define offsetofend(TYPE, MEMBER) ({                            \
-        TYPE tmp;                                               \
-        offsetof(TYPE, MEMBER) + sizeof(tmp.MEMBER); })         \
+#define offsetofend(TYPE, MEMBER) \
+        (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER))
 
 /*
  * External user API