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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42ac5162347sm28928485e9.23.2024.08.22.09.21.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Aug 2024 09:21:29 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Alistair Francis , "Edgar E. Iglesias" , Francisco Iglesias Subject: [PATCH for-9.2 1/6] hw/misc/xlnx-versal-cfu: destroy fifo in finalize Date: Thu, 22 Aug 2024 17:21:22 +0100 Message-Id: <20240822162127.705879-2-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240822162127.705879-1-peter.maydell@linaro.org> References: <20240822162127.705879-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x336.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, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Since the TYPE_XNLX_VERSAL_CFU_FDRO device creates a FIFO in its instance_init method, we must destroy the FIFO in instance_finalize to avoid a memory leak for the QOM introspection "instantiate-examine-finalize" cycle: Direct leak of 8192 byte(s) in 1 object(s) allocated from: #0 0x55ec89eae7ee in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/qemu-system-aarch64+0x294d7ee) (BuildId: 6d508874816cc47d17c8dd775e8f809ae520e8cb) #1 0x7f697018f738 in g_malloc debian/build/deb/../../../glib/gmem.c:128:13 #2 0x55ec8d98d98d in fifo8_create util/fifo8.c:27:18 #3 0x55ec8aa2a624 in fifo32_create /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/include/qemu/fifo32.h:35:5 #4 0x55ec8aa2a33c in cfu_fdro_init hw/misc/xlnx-versal-cfu.c:397:5 #5 0x55ec8ce75da1 in object_init_with_type qom/object.c:420:9 #6 0x55ec8ce5d07b in object_initialize_with_type qom/object.c:562:5 #7 0x55ec8ce5e91d in object_new_with_type qom/object.c:782:5 #8 0x55ec8ce5e9f1 in object_new qom/object.c:797:12 #9 0x55ec8d65c81d in qmp_device_list_properties qom/qom-qmp-cmds.c:144:11 Signed-off-by: Peter Maydell Reviewed-by: Francisco Iglesias Reviewed-by: Alistair Francis --- hw/misc/xlnx-versal-cfu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/misc/xlnx-versal-cfu.c b/hw/misc/xlnx-versal-cfu.c index 6bb82e51c15..2284b407eab 100644 --- a/hw/misc/xlnx-versal-cfu.c +++ b/hw/misc/xlnx-versal-cfu.c @@ -397,6 +397,13 @@ static void cfu_fdro_init(Object *obj) fifo32_create(&s->fdro_data, 8 * KiB / sizeof(uint32_t)); } +static void cfu_fdro_finalize(Object *obj) +{ + XlnxVersalCFUFDRO *s = XLNX_VERSAL_CFU_FDRO(obj); + + fifo32_destroy(&s->fdro_data); +} + static void cfu_fdro_reset_enter(Object *obj, ResetType type) { XlnxVersalCFUFDRO *s = XLNX_VERSAL_CFU_FDRO(obj); @@ -539,6 +546,7 @@ static const TypeInfo cfu_fdro_info = { .instance_size = sizeof(XlnxVersalCFUFDRO), .class_init = cfu_fdro_class_init, .instance_init = cfu_fdro_init, + .instance_finalize = cfu_fdro_finalize, .interfaces = (InterfaceInfo[]) { { TYPE_XLNX_CFI_IF }, { }