[v14] qemu_thread_create: propagate the error to callers to handle

[Qemu-devel] [PATCH v14 04/11] qemu_thread: supplement error handling for pci_edu_realize

Fei Li posted 11 patches 6 years, 6 months ago

Diff against v1 v9 v11 v11 v12 v12 v13
Download mbox

Maintainers: Marek Vasut <marex@denx.de>, Jiri Slaby <jslaby@suse.cz>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Riku Voipio <riku.voipio@iki.fi>, David Hildenbrand <david@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Guan Xuetao <gxt@mprc.pku.edu.cn>, Alistair Francis <Alistair.Francis@wdc.com>, Stefan Weil <sw@weilnetz.de>, Paolo Bonzini <pbonzini@redhat.com>, Sagar Karandikar <sagark@eecs.berkeley.edu>, Anthony Green <green@moxielogic.com>, "Daniel P. Berrangé" <berrange@redhat.com>, David Gibson <david@gibson.dropbear.id.au>, Laurent Vivier <laurent@vivier.eu>, Palmer Dabbelt <palmer@sifive.com>, Aleksandar Markovic <amarkovic@wavecomp.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Stafford Horne <shorne@gmail.com>, Max Filippov <jcmvbkbc@gmail.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Juan Quintela <quintela@redhat.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Eduardo Habkost <ehabkost@redhat.com>, Chris Wulff <crwulff@gmail.com>, Richard Henderson <rth@twiddle.net>, Aleksandar Rikalo <arikalo@wavecomp.com>, Artyom Tarasenko <atar4qemu@gmail.com>, Gerd Hoffmann <kraxel@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Michael Walle <michael@walle.cc>, Yuval Shaia <yuval.shaia@oracle.com>, Aurelien Jarno <aurelien@aurel32.net>

Expand all Fold all

[Qemu-devel] [PATCH v14 04/11] qemu_thread: supplement error handling for pci_edu_realize

Posted by Fei Li 6 years, 6 months ago

From: Fei Li <fli@suse.com>

Utilize the existed errp to propagate the error and do the
corresponding cleanup to replace the temporary &error_abort.

Cc: Markus Armbruster <armbru@redhat.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Fei Li <fli@suse.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
---
 hw/misc/edu.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/hw/misc/edu.c b/hw/misc/edu.c
index 1edc66955a..632b56f64c 100644
--- a/hw/misc/edu.c
+++ b/hw/misc/edu.c
@@ -371,9 +371,14 @@ static void pci_edu_realize(PCIDevice *pdev, Error **errp)
 
     qemu_mutex_init(&edu->thr_mutex);
     qemu_cond_init(&edu->thr_cond);
-    /* TODO: let the further caller handle the error instead of abort() here */
-    qemu_thread_create(&edu->thread, "edu", edu_fact_thread,
-                       edu, QEMU_THREAD_JOINABLE, &error_abort);
+    if (qemu_thread_create(&edu->thread, "edu", edu_fact_thread,
+                           edu, QEMU_THREAD_JOINABLE, errp) < 0) {
+        qemu_cond_destroy(&edu->thr_cond);
+        qemu_mutex_destroy(&edu->thr_mutex);
+        timer_del(&edu->dma_timer);
+        msi_uninit(pdev);
+        return;
+    }
 
     memory_region_init_io(&edu->mmio, OBJECT(edu), &edu_mmio_ops, edu,
                     "edu-mmio", 1 * MiB);
-- 
2.11.0