On Mon, Apr 15, 2019 at 06:21:29PM +0200, Marc-André Lureau wrote:
> Commit 767abe7 ("chardev: forbid 'wait' option with client sockets")
> is a bit too strict. Current libvirt always set wait=false, and will
> thus fail to add client chardev.
>
> Make the code more permissive, allowing wait=false with client socket
> chardevs. Deprecate usage of 'wait' with client sockets.
>
> Fixes: 767abe7f49e8be14d29da5db3527817b5d696a52
> Cc: Daniel P. Berrangé <berrange@xxxxxxxxxx>
> Signed-off-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
> ---
> chardev/char-socket.c | 10 +++++++---
> qemu-deprecated.texi | 5 +++++
> 2 files changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/chardev/char-socket.c b/chardev/char-socket.c
> index 3916505d67..ebc1adb83e 100644
> --- a/chardev/char-socket.c
> +++ b/chardev/char-socket.c
> @@ -1263,9 +1263,13 @@ static bool qmp_chardev_validate_socket(ChardevSocket *sock,
> return false;
> }
> if (sock->has_wait) {
> - error_setg(errp, "%s",
> - "'wait' option is incompatible with "
> - "socket in client connect mode");
> + warn_report("'wait' option is deprecated with "
> + "socket in client connect mode");
> + if (sock->wait) {
> + error_setg(errp, "%s",
> + "'wait' option is incompatible with "
> + "socket in client connect mode");
> + }
> return false;
Oh wait, don't you need to put the 'return false' inside the
if branch above, otherwise we're still failing validation.
> }
> }
> diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
> index 2219386769..842e71b11d 100644
> --- a/qemu-deprecated.texi
> +++ b/qemu-deprecated.texi
> @@ -105,6 +105,11 @@ details.
> The ``query-events'' command has been superseded by the more powerful
> and accurate ``query-qmp-schema'' command.
>
> +@subsection chardev client socket with 'wait' option (since 4.0)
> +
> +Character devices creating sockets in client mode should not specify
> +the 'wait' field, which is only applicable to sockets in server mode
> +
> @section Human Monitor Protocol (HMP) commands
>
> @subsection The hub_id parameter of 'hostfwd_add' / 'hostfwd_remove' (since 3.1)
> --
> 2.21.0.313.ge35b8cb8e2
>
Regards,
Daniel
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