From patchwork Mon Jan 6 01:57:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pan Nengyuan X-Patchwork-Id: 11318665 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8714A6C1 for ; Mon, 6 Jan 2020 01:57:52 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6746F2072C for ; Mon, 6 Jan 2020 01:57:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6746F2072C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:47102 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ioHeR-0007mu-Jv for patchwork-qemu-devel@patchwork.kernel.org; Sun, 05 Jan 2020 20:57:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42006) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ioHe0-0007Gd-2R for qemu-devel@nongnu.org; Sun, 05 Jan 2020 20:57:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ioHdy-0007PD-Vu for qemu-devel@nongnu.org; Sun, 05 Jan 2020 20:57:24 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:2284 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ioHdw-0007NY-Mr; Sun, 05 Jan 2020 20:57:20 -0500 Received: from DGGEMS406-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id C1C9B904D1D47B245BCD; Mon, 6 Jan 2020 09:57:18 +0800 (CST) Received: from DESKTOP-9NTIQGG.china.huawei.com (10.173.221.136) by DGGEMS406-HUB.china.huawei.com (10.3.19.206) with Microsoft SMTP Server id 14.3.439.0; Mon, 6 Jan 2020 09:57:10 +0800 From: To: Subject: [PATCH] arm/translate-a64: fix uninitialized variable warning Date: Mon, 6 Jan 2020 09:57:00 +0800 Message-ID: <20200106015700.52992-1-pannengyuan@huawei.com> X-Mailer: git-send-email 2.21.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.173.221.136] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 45.249.212.191 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, qemu-trivial@nongnu.org, Pan Nengyuan , qemu-devel@nongnu.org, qemu-arm@nongnu.org, Euler Robot Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Pan Nengyuan Fixes: target/arm/translate-a64.c: In function 'disas_crypto_three_reg_sha512': target/arm/translate-a64.c:13625:9: error: 'genfn' may be used uninitialized in this function [-Werror=maybe-uninitialized] genfn(tcg_rd_ptr, tcg_rn_ptr, tcg_rm_ptr); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ qemu/target/arm/translate-a64.c:13609:8: error: 'feature' may be used uninitialized in this function [-Werror=maybe-uninitialized] if (!feature) { Reported-by: Euler Robot Signed-off-by: Pan Nengyuan Cc: Peter Maydell --- target/arm/translate-a64.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index d4bebbe629..211e3d813f 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -13564,8 +13564,8 @@ static void disas_crypto_three_reg_sha512(DisasContext *s, uint32_t insn) int rm = extract32(insn, 16, 5); int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); - bool feature; - CryptoThreeOpFn *genfn; + bool feature = false; + CryptoThreeOpFn *genfn = NULL; if (o == 0) { switch (opcode) {