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[176.131.222.246]) by smtp.gmail.com with ESMTPSA id j16-20020a056000125000b00326f5d0ce0asm997037wrx.21.2023.10.03.01.27.37 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 03 Oct 2023 01:27:38 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Bernhard Beschow , Marcel Apfelbaum , Markus Armbruster , Richard Henderson , Peter Xu , Jason Wang , "Michael S. Tsirkin" , Eduardo Habkost , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH v2 1/5] hw/intc/apic: Use ERRP_GUARD() in apic_common_realize() Date: Tue, 3 Oct 2023 10:27:24 +0200 Message-ID: <20231003082728.83496-2-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003082728.83496-1-philmd@linaro.org> References: <20231003082728.83496-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=philmd@linaro.org; helo=mail-wr1-x433.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org APICCommonClass::realize() is a DeviceRealize() handler which take an Error** parameter and can fail. Do not proceed further on failure. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Peter Xu --- hw/intc/apic_common.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index 68ad30e2f5..bccb4241c2 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -257,6 +257,7 @@ static const VMStateDescription vmstate_apic_common; static void apic_common_realize(DeviceState *dev, Error **errp) { + ERRP_GUARD(); APICCommonState *s = APIC_COMMON(dev); APICCommonClass *info; static DeviceState *vapic; @@ -267,6 +268,9 @@ static void apic_common_realize(DeviceState *dev, Error **errp) info = APIC_COMMON_GET_CLASS(s); info->realize(dev, errp); + if (*errp) { + return; + } /* Note: We need at least 1M to map the VAPIC option ROM */ if (!vapic && s->vapic_control & VAPIC_ENABLE_MASK &&