From d30d590b871f5418614d7523b22384dc5a894d64 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Tue, 3 Sep 2024 17:22:17 +0100 Subject: [PATCH] hw/misc/xlnx-versal-cfu: destroy fifo in finalize 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: Edgar E. Iglesias Reviewed-by: Francisco Iglesias Reviewed-by: Alistair Francis Message-id: 20240822162127.705879-2-peter.maydell@linaro.org --- 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 }, { }