RPC/RDMA dissector should exit when frame is not RPC-over-RDMA

This issue was migrated from bug 13195 in our old bug tracker.

Original bug information:

Reporter: Chuck Lever
Status: RESOLVED FIXED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: All
Platform: All
Version: unspecified

Attachments:

sample.pcap: Sample wire capture with improperly dissected RPC frame

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