[v2] Less clumsy error checking

[PATCH v2 31/44] qdev: Make functions taking Error ** return bool, not void

Markus Armbruster posted 44 patches 5 years, 7 months ago

Diff against v1 v3 v4
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Maintainers: Andrey Smirnov <andrew.smirnov@gmail.com>, Antony Pavlov <antonynpavlov@gmail.com>, Eric Blake <eblake@redhat.com>, Matthew Rosato <mjrosato@linux.ibm.com>, John Snow <jsnow@redhat.com>, Jason Wang <jasowang@redhat.com>, Richard Henderson <rth@twiddle.net>, Kevin Wolf <kwolf@redhat.com>, Paul Burton <pburton@wavecomp.com>, Artyom Tarasenko <atar4qemu@gmail.com>, Zhang Chen <chen.zhang@intel.com>, "Michael S. Tsirkin" <mst@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Paul Durrant <paul@xen.org>, Christian Borntraeger <borntraeger@de.ibm.com>, David Hildenbrand <david@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Max Reitz <mreitz@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Joel Stanley <joel@jms.id.au>, Igor Mammedov <imammedo@redhat.com>, Andrew Baumann <Andrew.Baumann@microsoft.com>, Wen Congyang <wencongyang2@huawei.com>, Liu Yuan <namei.unix@gmail.com>, Laurent Vivier <lvivier@redhat.com>, Jeff Cody <codyprime@gmail.com>, Stefan Berger <stefanb@linux.ibm.com>, Riku Voipio <riku.voipio@iki.fi>, Ronnie Sahlberg <ronniesahlberg@gmail.com>, Ari Sundholm <ari@tuxera.com>, "Philippe Mathieu-Daudé" <philmd@redhat.com>, Jan Kiszka <jan.kiszka@web.de>, Michael Roth <mdroth@linux.vnet.ibm.com>, Alex Williamson <alex.williamson@redhat.com>, Li Zhijian <lizhijian@cn.fujitsu.com>, Beniamino Galvani <b.galvani@gmail.com>, Alistair Francis <alistair@alistair23.me>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Stefan Weil <sw@weilnetz.de>, Yoshinori Sato <ysato@users.sourceforge.jp>, Aurelien Jarno <aurelien@aurel32.net>, "Gonglei (Arei)" <arei.gonglei@huawei.com>, Leif Lindholm <leif@nuviainc.com>, "Hervé Poussineau" <hpoussin@reactos.org>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Peter Lieven <pl@kamp.de>, Eric Auger <eric.auger@redhat.com>, Xiao Guangrong <xiaoguangrong.eric@gmail.com>, Alberto Garcia <berto@igalia.com>, Niek Linnenbank <nieklinnenbank@gmail.com>, Xie Changlong <xiechanglong.d@gmail.com>, Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>, Markus Armbruster <armbru@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Fam Zheng <fam@euphon.net>, "Daniel P. Berrangé" <berrange@redhat.com>, Sagar Karandikar <sagark@eecs.berkeley.edu>, Igor Mitsyanko <i.mitsyanko@gmail.com>, Gerd Hoffmann <kraxel@redhat.com>, Eduardo Habkost <ehabkost@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Peter Chubb <peter.chubb@nicta.com.au>, "Denis V. Lunev" <den@openvz.org>, Halil Pasic <pasic@linux.ibm.com>, Anthony Perard <anthony.perard@citrix.com>, Andrew Jeffery <andrew@aj.id.au>, Jason Dillaman <dillaman@redhat.com>, Rob Herring <robh@kernel.org>, "Richard W.M. Jones" <rjones@redhat.com>, "Cédric Le Goater" <clg@kaod.org>, Subbaraya Sundeep <sundeep.lkml@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Jean-Christophe Dubois <jcd@tribudubois.net>, David Gibson <david@gibson.dropbear.id.au>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Radoslaw Biernacki <radoslaw.biernacki@linaro.org>, Thomas Huth <thuth@redhat.com>, Amit Shah <amit@kernel.org>, Paolo Bonzini <pbonzini@redhat.com>

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[PATCH v2 31/44] qdev: Make functions taking Error ** return bool, not void

Posted by Markus Armbruster 5 years, 7 months ago

See recent commit "error: Document Error API usage rules" for
rationale.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 include/hw/qdev-properties.h     | 4 ++--
 hw/core/qdev-properties-system.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 49c6cd2460..f12ab9e6bc 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -236,8 +236,8 @@ extern const PropertyInfo qdev_prop_pcie_link_width;
 /*
  * Set properties between creation and realization.
  */
-void qdev_prop_set_drive_err(DeviceState *dev, const char *name,
-                         BlockBackend *value, Error **errp);
+bool qdev_prop_set_drive_err(DeviceState *dev, const char *name,
+                             BlockBackend *value, Error **errp);
 
 /*
  * Set properties between creation and realization.
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 810831b1df..7d2387f22c 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -421,7 +421,7 @@ const PropertyInfo qdev_prop_audiodev = {
     .set = set_audiodev,
 };
 
-void qdev_prop_set_drive_err(DeviceState *dev, const char *name,
+bool qdev_prop_set_drive_err(DeviceState *dev, const char *name,
                              BlockBackend *value, Error **errp)
 {
     const char *ref = "";
@@ -436,7 +436,7 @@ void qdev_prop_set_drive_err(DeviceState *dev, const char *name,
         }
     }
 
-    object_property_set_str(OBJECT(dev), name, ref, errp);
+    return object_property_set_str(OBJECT(dev), name, ref, errp);
 }
 
 void qdev_prop_set_drive(DeviceState *dev, const char *name,
-- 
2.26.2