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由 Jeff Layton 提交于
The refcounting for nfsd is a little goofy. What happens is that we create the nfsd RPC service, attach sockets to it but don't actually start the threads until someone writes to the "threads" procfile. To do this, __write_ports_addfd will create the nfsd service and then will decrement the refcount when exiting but won't actually destroy the service. This is fine when there aren't errors, but when there are this can cause later attempts to start nfsd to fail. nfsd_serv will be set, and that causes __write_versions to return EBUSY. Fix this by calling svc_destroy on nfsd_serv when this function is going to return error. Signed-off-by: NJeff Layton <jlayton@redhat.com> Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>
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