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Mon, 6 Jul 2020 08:09:52 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-143.ams2.redhat.com [10.36.112.143]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2933273FE5; Mon, 6 Jul 2020 08:09:52 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id AC01C11385FA; Mon, 6 Jul 2020 10:09:50 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v3 04/44] macio: Tidy up error handling in macio_newworld_realize() Date: Mon, 6 Jul 2020 10:09:10 +0200 Message-Id: <20200706080950.403087-5-armbru@redhat.com> In-Reply-To: <20200706080950.403087-1-armbru@redhat.com> References: <20200706080950.403087-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/06 01:22:37 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, vsementsov@virtuozzo.com, berrange@redhat.com, ehabkost@redhat.com, qemu-block@nongnu.org, Mark Cave-Ayland , groug@kaod.org, pbonzini@redhat.com, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" macio_newworld_realize() effectively ignores ns->gpio realization errors, leaking the Error object. Fortunately, macio_gpio_realize() can't actually fail. Tidy up. Cc: Mark Cave-Ayland Cc: David Gibson Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Acked-by: David Gibson Reviewed-by: Vladimir Sementsov-Ogievskiy --- hw/misc/macio/macio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c index 42414797e2..be66bb7758 100644 --- a/hw/misc/macio/macio.c +++ b/hw/misc/macio/macio.c @@ -334,7 +334,9 @@ static void macio_newworld_realize(PCIDevice *d, Error **errp) &error_abort); memory_region_add_subregion(&s->bar, 0x50, sysbus_mmio_get_region(sysbus_dev, 0)); - qdev_realize(DEVICE(&ns->gpio), BUS(&s->macio_bus), &err); + if (!qdev_realize(DEVICE(&ns->gpio), BUS(&s->macio_bus), errp)) { + return; + } /* PMU */ object_initialize_child(OBJECT(s), "pmu", &s->pmu, TYPE_VIA_PMU);