From nobody Tue Apr 7 11:15:19 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 2EADDC4332F for ; Fri, 14 Oct 2022 02:00:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229679AbiJNCAx (ORCPT ); Thu, 13 Oct 2022 22:00:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229496AbiJNCAq (ORCPT ); Thu, 13 Oct 2022 22:00:46 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 634337CE2A for ; Thu, 13 Oct 2022 19:00:45 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4MpTxy5jV0zmVF0; Fri, 14 Oct 2022 09:56:06 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 14 Oct 2022 10:00:43 +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; Fri, 14 Oct 2022 10:00:43 +0800 From: Zhen Lei To: Russell King , Ard Biesheuvel , , CC: Zhen Lei Subject: [PATCH v3 1/3] ARM: Fix some check warnings of tool sparse Date: Fri, 14 Oct 2022 09:59:54 +0800 Message-ID: <20221014015956.2006-2-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.37.3.windows.1 In-Reply-To: <20221014015956.2006-1-thunder.leizhen@huawei.com> References: <20221014015956.2006-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.178.55] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) 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..d455c97237e2079 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) @@ -448,9 +448,9 @@ int call_undef_hook(struct pt_regs *regs, unsigned int = instr) asmlinkage void do_undefinstr(struct pt_regs *regs) { unsigned int instr; - void __user *pc; + void *pc; =20 - pc =3D (void __user *)instruction_pointer(regs); + pc =3D (void *)instruction_pointer(regs); =20 if (processor_mode(regs) =3D=3D SVC_MODE) { #ifdef CONFIG_THUMB2_KERNEL @@ -494,7 +494,7 @@ asmlinkage void do_undefinstr(struct pt_regs *regs) } #endif arm_notify_die("Oops - undefined instruction", regs, - SIGILL, ILL_ILLOPC, pc, 0, 6); + SIGILL, ILL_ILLOPC, (void __user *)pc, 0, 6); } NOKPROBE_SYMBOL(do_undefinstr) =20 --=20 2.25.1