From nobody Thu Sep 18 04:58:39 2025 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 483ABC4332F for ; Tue, 13 Dec 2022 19:19:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236750AbiLMTTI (ORCPT ); Tue, 13 Dec 2022 14:19:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235844AbiLMTSY (ORCPT ); Tue, 13 Dec 2022 14:18:24 -0500 Received: from smtpdh20-1.aruba.it (smtpdh20-1.aruba.it [62.149.155.164]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D97D61028 for ; Tue, 13 Dec 2022 11:18:22 -0800 (PST) Received: from localhost.localdomain ([146.241.66.6]) by Aruba Outgoing Smtp with ESMTPSA id 5An9pnstapLT85An9pWbXH; Tue, 13 Dec 2022 20:18:21 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1670959101; bh=45b7rjT0/sHSloklDkuIVsgXND/IMJ9OTxAKP6zw8VY=; h=From:To:Subject:Date:MIME-Version; b=AYDt7SXh49oRBw5EfMN/zvZSgqXCjySsPSO8kZyq4LGsxQVhdqzyKGgst26KyIISy /N1iIZ/W22WPTuMV/DJoEqPa1DdtCShuTb4vJo4815KUUAlWyKo8PzEKIaV02iOBxo 7CXpZVyesMdT4Y1ebvD8SVHzH9iKfv+EZuzF89XooieLjEOlkNKqMmCQWo9vQi7fDH wBDhQRs7e/rox6uLInslxIUHA/12TyrzgTJRsX++/uFzU3sIUKLGtvCExwsb61ndHl +hUr+l77FdM0w68Q6ibHtlOdqCr3W1AFA39NO3NrQz3cyolyQxzXAPFrhe8LdNxa+8 uM9enQR+8fhfw== From: Giulio Benetti To: Russell King , Arnd Bergmann Cc: Nathan Chancellor , Nick Desaulniers , Tom Rix , Giulio Benetti , "Russell King (Oracle)" , Will Deacon , Kefeng Wang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Naresh Kamboju , stable@vger.kernel.org Subject: [PATCH] ARM: mm: fix warning on phys_addr_t to void pointer assignment Date: Tue, 13 Dec 2022 20:18:13 +0100 Message-Id: <20221213191813.4054267-1-giulio.benetti@benettiengineering.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CMAE-Envelope: MS4xfD1IV/P04Cugw3asqwnUxCFrlRnAaYWaB3aYVXpV2G3EVnhhfFs/Z5jZkCbE4wf2lBfe6O7x1GSkfdLmd3vUJcqaq/3dnchNZgQmRCMahE36rTR/HnQI xG/ng25jHVR0HglDXAq1HEFAB/+sajRd0SKVx0k57RipJpRxMhE4DRLKesCDb7EAQV18LIf5tbQkMg5fcNijcchd7HSkA22B45KDLlQPdBnR5HoiQUm/CQmz LsY4I+1+wSaTLD2OmhoUbGRBVVgpYDIYcxo5X6c6KUPg9q2qgbKpeX5ngwqhkngwcQVaBdIGTpRBE05V2ek8GtQJad8kEkONtQMG+29jZkuIit1YWf/T7Abj nlBJNuZtYgBQ50VjKbriCyELT2aMYu88SnfzkSeMMPhSvITuYRsPLbvKCroxAxhiLiYnPNRqV3MPmU9TEmoht0ECwVigeHdwKgV9j4Dc836561T+7rTB4fQ9 BCb27D9qf/yYji77OxDjk6Jg6QPpNvYeFOd5m5ENFU1oRO2WW4svLHWw0qHcyoW5SpAm0ulYEHUV+ocSRFtyczdIYaartHlwxlUJuriRJLhTk9AO+sgKx/UB uCezY6VtDyzxiQd83kQ9z40RzqlnD1GdVLr6Aw4hBAARHzMbfwqxqjlpWlWIQMrdFvg5FkvCQdbFtzawfXapiGrDH5XbpcVWcCAve9s+wT0kVw== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" zero_page is a void* pointer but memblock_alloc() returns phys_addr_t type so this generates a warning while using clang and with -Wint-error enabled that becomes and error. So let's cast the return of memblock_alloc() to (void *). Cc: # 4.14.x + Fixes: 340a982825f7 ("ARM: 9266/1: mm: fix no-MMU ZERO_PAGE() implementatio= n") Signed-off-by: Giulio Benetti Tested-by: Linux Kernel Functional Testing --- arch/arm/mm/nommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index c1494a4dee25..53f2d8774fdb 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -161,7 +161,7 @@ void __init paging_init(const struct machine_desc *mdes= c) mpu_setup(); =20 /* allocate the zero page. */ - zero_page =3D memblock_alloc(PAGE_SIZE, PAGE_SIZE); + zero_page =3D (void *)memblock_alloc(PAGE_SIZE, PAGE_SIZE); if (!zero_page) panic("%s: Failed to allocate %lu bytes align=3D0x%lx\n", __func__, PAGE_SIZE, PAGE_SIZE); --=20 2.34.1