[Libguestfs] [nbdkit PATCH 3/5] filters: Allow nbdkit_next_context_open outside client connection
Richard W.M. Jones
rjones at redhat.com
Tue May 11 14:17:39 UTC 2021
On Thu, May 06, 2021 at 08:59:38PM -0500, Eric Blake wrote:
> diff --git a/server/backend.c b/server/backend.c
> index 2244df7a..73994f56 100644
> --- a/server/backend.c
> +++ b/server/backend.c
> @@ -234,24 +234,37 @@ static struct nbdkit_next_ops next_ops = {
> };
>
> struct context *
> -backend_open (struct backend *b, int readonly, const char *exportname)
> +backend_open (struct backend *b, int readonly, const char *exportname,
> + int shared)
> {
> - GET_CONN;
> - struct context *c = malloc (sizeof *c);
> - PUSH_CONTEXT_FOR_SCOPE (c);
> + struct connection *conn = threadlocal_get_conn ();
> + bool using_tls;
> + struct context *c;
>
> + if (!shared && !conn) {
> + nbdkit_error ("attempt to open non-shared context outside a connection");
> + return NULL;
Not abort ()? Wouldn't this indicate a bug in a filter?
Complicated, but looks good.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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