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[88.28.12.92]) by smtp.gmail.com with ESMTPSA id y18-20020a5d4712000000b0031984b370f2sm3765991wrq.47.2023.10.19.00.18.06 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 19 Oct 2023 00:18:10 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Ilya Leoshkevich , Halil Pasic , Huacai Chen , Beniamino Galvani , Thomas Huth , Jiaxun Yang , Marcel Apfelbaum , qemu-arm@nongnu.org, Mark Cave-Ayland , Eric Farman , Paolo Bonzini , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-s390x@nongnu.org, Strahinja Jankovic , Richard Henderson , Markus Armbruster , Song Gao , Eduardo Habkost , Peter Xu , Sergio Lopez , Christian Borntraeger , David Hildenbrand , Peter Maydell , "Michael S. Tsirkin" , Jason Wang Subject: [PATCH v2 11/12] hw/sysbus: Ensure device is not realized before adding MMIO region Date: Thu, 19 Oct 2023 09:16:09 +0200 Message-ID: <20231019071611.98885-12-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231019071611.98885-1-philmd@linaro.org> References: <20231019071611.98885-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::134; envelope-from=philmd@linaro.org; helo=mail-lf1-x134.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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 sysbus_init_mmio() should not be called on realized device. Reviewed-by: Thomas Huth Signed-off-by: Philippe Mathieu-Daudé --- hw/core/sysbus.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index 35f902b582..8f53cb926b 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -20,6 +20,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu/module.h" +#include "qemu/error-report.h" #include "hw/sysbus.h" #include "monitor/monitor.h" #include "exec/address-spaces.h" @@ -192,6 +193,11 @@ void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory) int n; assert(dev->num_mmio < QDEV_MAX_MMIO); + if (DEVICE(dev)->realized) { + error_report("sysbus_init_mmio(type:%s) but object is realized", + object_get_typename(OBJECT(dev))); + abort(); + } n = dev->num_mmio++; dev->mmio[n].addr = -1; dev->mmio[n].memory = memory;