[Libguestfs] [nbdkit PATCH 3/4] server: Close backends if a filter's .open fails

[Richard W.M. Jones]

$ ./nbdkit -s memory 1M < fuzzing/testcase_dir/newstyle-cflags
NBDMAGICIHAVEOPTnbdkit: plugins.c:274: plugin_close: Assertion `connection_get_handle (conn, 0)' failed.
Aborted (core dumped)

git bisect implicates this patch:

2f80ce1209d5898cb9a567c0b29e7736ff4d03eb is the first bad commit

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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