sockets: avoid leak of listen file descriptor
If we iterate over the full port range without successfully binding+listening on the socket, we'll try the next address, whereupon we overwrite the slisten file descriptor variable without closing it. Rather than having two places where we open + close socket FDs on different iterations of nested for loops, re-arrange the code to always open+close within the same loop iteration. Reviewed-by:Eric Blake <eblake@redhat.com> Signed-off-by:
Daniel P. Berrange <berrange@redhat.com>
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