| Log Message: |
Make zlib encoding messages idempotent.
Otherwise duplicate messages can trigger a reinitialization of the
compression stream while the update thread is running. Also ensure
that the stream is initialized before the update thread may attempt
to use it.
PR: 238333
Reviewed by: cem, rgrimes
MFC after: 3 days
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D20673
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head/usr.sbin/bhyve/rfb.c