From: Eric Blake <eblake@redhat.com>
To: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org
Cc: stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 02/15] net: Permit incremental conversion of init functions to Error
Date: Thu, 14 May 2015 09:45:05 -0600 [thread overview]
Message-ID: <5554C301.6000505@redhat.com> (raw)
In-Reply-To: <1431432187-10993-3-git-send-email-armbru@redhat.com>
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On 05/12/2015 06:02 AM, Markus Armbruster wrote:
> Error reporting for netdev_add is broken: the net_client_init_fun[]
> report the actual errors with (at best) error_report(), and their
> caller net_client_init1() makes up a generic error on top.
>
> For command line and HMP, this produces an mildly ugly error cascande.
s/cascande/cascade/
>
> In QMP, the actual errors go to stderr, and the generic error becomes
> the command's error reply.
>
> To fix this, we need to convert the net_client_init_fun[] to Error.
>
> To permit fixing them one by one, add an Error ** parameter to the
> net_client_init_fun[]. If the call fails without returning an Error,
> make up the same generic Error as before. But if it returns one, use
> that instead. Since none of them does so far, no functional change.
>
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
> @@ -802,7 +803,7 @@ static int net_init_nic(const NetClientOptions *opts, const char *name,
> static int (* const net_client_init_fun[NET_CLIENT_OPTIONS_KIND_MAX])(
> const NetClientOptions *opts,
> const char *name,
> - NetClientState *peer) = {
> + NetClientState *peer, Error **errp) = {
> [NET_CLIENT_OPTIONS_KIND_NIC] = net_init_nic,
Not this patch, but would this be easier to read with the use of a
typedef for the function pointer?
Reviewed-by: Eric Blake <eblake@redhat.com>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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next prev parent reply other threads:[~2015-05-14 15:45 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 12:02 [Qemu-devel] [PATCH 00/15] net: Improve error reporting Markus Armbruster
2015-05-12 12:02 ` [Qemu-devel] [PATCH 01/15] net: Improve error message for -net hubport a bit Markus Armbruster
2015-05-14 15:13 ` Eric Blake
2015-05-12 12:02 ` [Qemu-devel] [PATCH 02/15] net: Permit incremental conversion of init functions to Error Markus Armbruster
2015-05-14 15:45 ` Eric Blake [this message]
2015-05-12 12:02 ` [Qemu-devel] [PATCH 03/15] net: Improve -net nic error reporting Markus Armbruster
2015-05-14 16:07 ` Eric Blake
2015-05-15 8:38 ` Markus Armbruster
2015-05-12 12:02 ` [Qemu-devel] [PATCH 04/15] net/dump: Improve -net/host_net_add dump " Markus Armbruster
2015-05-14 16:37 ` Eric Blake
2015-05-12 12:02 ` [Qemu-devel] [PATCH 05/15] tap: net_tap_fd_init() can't fail, drop dead error handling Markus Armbruster
2015-05-14 16:48 ` Eric Blake
2015-05-15 8:42 ` Markus Armbruster
2015-05-12 12:02 ` [Qemu-devel] [PATCH 06/15] tap: Improve -netdev/netdev_add/-net/... bridge error reporting Markus Armbruster
2015-05-14 16:56 ` Eric Blake
2015-05-12 12:02 ` [Qemu-devel] [PATCH 07/15] tap: Convert tap_set_sndbuf() to Error Markus Armbruster
2015-05-14 17:02 ` Eric Blake
2015-05-12 12:03 ` [Qemu-devel] [PATCH 08/15] tap: Convert net_init_tap_one() " Markus Armbruster
2015-05-14 17:04 ` Eric Blake
2015-05-12 12:03 ` [Qemu-devel] [PATCH 09/15] tap: Convert launch_script() " Markus Armbruster
2015-05-14 20:21 ` Eric Blake
2015-05-12 12:03 ` [Qemu-devel] [PATCH 10/15] tap: Permit incremental conversion of tap_open() " Markus Armbruster
2015-05-14 21:49 ` Eric Blake
2015-05-12 12:03 ` [Qemu-devel] [PATCH 11/15] tap-linux: Convert " Markus Armbruster
2015-05-14 21:52 ` Eric Blake
2015-05-12 12:03 ` [Qemu-devel] [PATCH 12/15] tap-bsd: " Markus Armbruster
2015-05-14 21:55 ` Eric Blake
2015-05-15 8:44 ` Markus Armbruster
2015-05-12 12:03 ` [Qemu-devel] [PATCH 13/15] tap-solaris: " Markus Armbruster
2015-05-14 22:00 ` Eric Blake
2015-05-15 8:48 ` Markus Armbruster
2015-05-12 12:03 ` [Qemu-devel] [PATCH 14/15] tap: Finish conversion of " Markus Armbruster
2015-05-14 22:01 ` Eric Blake
2015-05-12 12:03 ` [Qemu-devel] [PATCH 15/15] tap: Improve -netdev/netdev_add/-net/... tap error reporting Markus Armbruster
2015-05-14 22:24 ` Eric Blake
2015-05-15 8:49 ` Markus Armbruster
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