tree 5a38388266a09c9892e5d8e336d7287ae763e7c0
parent 31c02e215700c2b704d9441f629ae87bb9aeb561
author Jack Morgenstein <jackm@mellanox.co.il> 1148919245 +0300
committer Roland Dreier <rolandd@cisco.com> 1150601855 -0700

IPoIB: Fix kernel unaligned access on ia64

Fix misaligned access faults on ia64: never cast a misaligned
neighbour->ha + 4 pointer to union ib_gid type; pass a void * pointer
instead.  The memcpy was being optimized to use full word accesses
because the compiler thought that union ib_gid is always aligned.

The cast in IPOIB_GID_ARG is safe, since it is fixed to access each
byte separately.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>