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charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Tue, 21 Apr 2020 13:25:28 -0000 From: Martin Liska To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=None; X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: mliska X-Launchpad-Bug-Reporter: Martin Liska (mliska) X-Launchpad-Bug-Modifier: Martin Liska (mliska) References: <158747496330.1952.6391008472811579405.malonedeb@chaenomeles.canonical.com> Message-Id: <158747552835.1516.4790256663779687885.malone@chaenomeles.canonical.com> Subject: [Bug 1874073] Re: openrisc_sim.c:87:42: error: 'cpu_irqs[0]' may be used uninitialized in this function [-Werror=maybe-uninitialized] X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="aad6b57d58e2f621954298e262c1cc904860f5d2"; Instance="production-secrets-lazr.conf" X-Launchpad-Hash: c778f7de7902148a5f085b48a08b143e63ff849c Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/21 07:50:41 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Received-From: 91.189.90.7 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1874073 <1874073@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Suggested patch: diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c index 79e7049..724dcd0 100644 --- a/hw/openrisc/openrisc_sim.c +++ b/hw/openrisc/openrisc_sim.c @@ -129,7 +129,7 @@ static void openrisc_sim_init(MachineState *machine) const char *kernel_filename =3D machine->kernel_filename; OpenRISCCPU *cpu =3D NULL; MemoryRegion *ram; - qemu_irq *cpu_irqs[2]; + qemu_irq *cpu_irqs[2] =3D {}; qemu_irq serial_irq; int n; unsigned int smp_cpus =3D machine->smp.cpus; -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1874073 Title: openrisc_sim.c:87:42: error: 'cpu_irqs[0]' may be used uninitialized in this function [-Werror=3Dmaybe-uninitialized] Status in QEMU: New Bug description: I see the warning since gcc10: static void openrisc_sim_init(MachineState *machine): ... qemu_irq *cpu_irqs[2]; ... = serial_mm_init(get_system_memory(), 0x90000000, 0, serial_irq, 115200, serial_hd(0), DEVICE_NATIVE_ENDIAN); I would initialize cpu_irqs[2] with {}. 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