IB: Make sure struct ib_user_mad.data is aligned

Make the untyped data region in ib_user_mad have type u64 so that it
gets aligned properly.  This avoids alignment faults in ib_umad when
casting the data field to an rmpp_mad and accessing the 64-bit tid
field on architectures like ia64.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/rdma/ib_user_mad.h b/include/rdma/ib_user_mad.h
index 44537aa32e62..d66b15ea82c4 100644
--- a/include/rdma/ib_user_mad.h
+++ b/include/rdma/ib_user_mad.h
@@ -98,7 +98,7 @@ struct ib_user_mad_hdr {
  */
 struct ib_user_mad {
         struct ib_user_mad_hdr hdr;
-        __u8    data[0];
+        __u64   data[0];
 };
 
 /**