From: Eric Blake <eblake@redhat.com>
To: Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org
Cc: pbonzini@redhat.com, kraxel@redhat.com, aliguori@amazon.com
Subject: Re: [Qemu-devel] [PATCH v2 1/5] char: Use return values instead of error_is_set(errp)
Date: Mon, 19 May 2014 11:14:23 -0600 [thread overview]
Message-ID: <537A3BEF.5050800@redhat.com> (raw)
In-Reply-To: <1400518658-2515-2-git-send-email-armbru@redhat.com>
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On 05/19/2014 10:57 AM, Markus Armbruster wrote:
> Using error_is_set(errp) to check whether a function call failed is
> fragile: it breaks when errp is null. Check perfectly suitable return
> values instead when possible. As far as I can tell, errp can't be
> null there, but this is more robust and more obviously correct
>
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
> qemu-char.c | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
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:[~2014-05-19 17:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-19 16:57 [Qemu-devel] [PATCH v2 0/5] char: Purge error_is_set() Markus Armbruster
2014-05-19 16:57 ` [Qemu-devel] [PATCH v2 1/5] char: Use return values instead of error_is_set(errp) Markus Armbruster
2014-05-19 17:14 ` Eric Blake [this message]
2014-05-19 16:57 ` [Qemu-devel] [PATCH v2 2/5] char: Clean up fragile use of error_is_set() Markus Armbruster
2014-05-19 17:15 ` Eric Blake
2014-05-19 16:57 ` [Qemu-devel] [PATCH v2 3/5] char: Explain qmp_chardev_add()'s unusual error handling Markus Armbruster
2014-05-19 17:16 ` Eric Blake
2014-05-19 16:57 ` [Qemu-devel] [PATCH v2 4/5] qemu-socket: Clean up inet_connect_opts() Markus Armbruster
2014-05-19 16:57 ` [Qemu-devel] [PATCH v2 5/5] error: error_is_set() is finally unused; remove Markus Armbruster
2014-05-19 17:17 ` Eric Blake
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