tree 61574fb0271a5d87b8e50422da792a67410e458f
parent f4444574a41430315a9c3eeb9e37cb0a36444a35
author Jon Paul Maloy <jon.maloy@ericsson.com> 1446052193 -0400
committer David S. Miller <davem@davemloft.net> 1446397469 -0500

tipc: linearize arriving NAME_DISTR and LINK_PROTO buffers

Testing of the new UDP bearer has revealed that reception of
NAME_DISTRIBUTOR, LINK_PROTOCOL/RESET and LINK_PROTOCOL/ACTIVATE
message buffers is not prepared for the case that those may be
non-linear.

We now linearize all such buffers before they are delivered up to the
generic reception layer.

In order for the commit to apply cleanly to 'net' and 'stable', we do
the change in the function tipc_udp_recv() for now. Later, we will post
a commit to 'net-next' moving the linearization to generic code, in
tipc_named_rcv() and tipc_link_proto_rcv().

Fixes: commit d0f91938bede ("tipc: add ip/udp media type")
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>