From nobody Thu Apr 9 10:40:25 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52DD2C433F5 for ; Mon, 10 Oct 2022 09:55:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231398AbiJJJzR (ORCPT ); Mon, 10 Oct 2022 05:55:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51580 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229865AbiJJJzF (ORCPT ); Mon, 10 Oct 2022 05:55:05 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 204172980B for ; Mon, 10 Oct 2022 02:55:02 -0700 (PDT) Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MmDg839QCzmV6c; Mon, 10 Oct 2022 17:50:28 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 10 Oct 2022 17:55:00 +0800 Received: from thunder-town.china.huawei.com (10.174.178.55) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Mon, 10 Oct 2022 17:55:00 +0800 From: Zhen Lei To: Russell King , , CC: Zhen Lei Subject: [PATCH v2 1/2] ARM: Fix some check warnings of tool sparse Date: Mon, 10 Oct 2022 17:53:45 +0800 Message-ID: <20221010095346.1957-2-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.37.3.windows.1 In-Reply-To: <20221010095346.1957-1-thunder.leizhen@huawei.com> References: <20221010095346.1957-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.178.55] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Fix the following warnings: warning: incorrect type in initializer (different address spaces) expected unsigned short [noderef] __user *register __p got unsigned short [usertype] * warning: cast removes address space '__user' of expression Signed-off-by: Zhen Lei --- arch/arm/kernel/traps.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 20b2db6dcd1ced7..34aa80c09c508c1 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -188,9 +188,9 @@ static void dump_instr(const char *lvl, struct pt_regs = *regs) } } else { if (thumb) - bad =3D get_user(val, &((u16 *)addr)[i]); + bad =3D get_user(val, &((u16 __user *)addr)[i]); else - bad =3D get_user(val, &((u32 *)addr)[i]); + bad =3D get_user(val, &((u32 __user *)addr)[i]); } =20 if (!bad) @@ -455,15 +455,15 @@ asmlinkage void do_undefinstr(struct pt_regs *regs) if (processor_mode(regs) =3D=3D SVC_MODE) { #ifdef CONFIG_THUMB2_KERNEL if (thumb_mode(regs)) { - instr =3D __mem_to_opcode_thumb16(((u16 *)pc)[0]); + instr =3D __mem_to_opcode_thumb16(((__force u16 *)pc)[0]); if (is_wide_instruction(instr)) { u16 inst2; - inst2 =3D __mem_to_opcode_thumb16(((u16 *)pc)[1]); + inst2 =3D __mem_to_opcode_thumb16(((__force u16 *)pc)[1]); instr =3D __opcode_thumb32_compose(instr, inst2); } } else #endif - instr =3D __mem_to_opcode_arm(*(u32 *) pc); + instr =3D __mem_to_opcode_arm(*(__force u32 *) pc); } else if (thumb_mode(regs)) { if (get_user(instr, (u16 __user *)pc)) goto die_sig; --=20 2.25.1