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Re: [Qemu-devel] [PATCH 12/54] spice-char: improve error reporting
From: |
Eric Blake |
Subject: |
Re: [Qemu-devel] [PATCH 12/54] spice-char: improve error reporting |
Date: |
Wed, 4 Jan 2017 16:00:03 -0600 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 |
On 12/12/2016 04:42 PM, Marc-André Lureau wrote:
> Set errp to report errors up.
>
> Use error_report() to give hints about parameters on the right monitor,
> instead of a direct fprintf() call.
>
> Signed-off-by: Marc-André Lureau <address@hidden>
> ---
> spice-qemu-char.c | 29 +++++++++--------------------
> 1 file changed, 9 insertions(+), 20 deletions(-)
>
And it's shorter! I like it.
> @@ -302,8 +286,13 @@ static Chardev *qemu_chr_open_spice_vmc(const CharDriver
> *driver,
> }
> }
> if (*psubtype == NULL) {
> - fprintf(stderr, "spice-qemu-char: unsupported type: %s\n", type);
> - print_allowed_subtypes();
> + char *subtypes = g_strjoinv(", ",
> + (gchar **)spice_server_char_device_recognized_subtypes());
> +
> + error_setg(errp, "unsupported type name: %s", type);
> + error_report("allowed spice char type names: %s", subtypes);
However, I'm not sure if error_setg() followed by error_report() is
correct; should you be using error_append_hint() instead? Markus?
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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