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 d0f91938 ("tipc: add ip/udp media type") Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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