From mboxrd@z Thu Jan 1 00:00:00 1970 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 43C11C433FE for ; Fri, 20 May 2022 19:58:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353376AbiETT6O (ORCPT ); Fri, 20 May 2022 15:58:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353361AbiETT6N (ORCPT ); Fri, 20 May 2022 15:58:13 -0400 Received: from mail-ed1-x52a.google.com (mail-ed1-x52a.google.com [IPv6:2a00:1450:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6720519CB79; Fri, 20 May 2022 12:58:12 -0700 (PDT) Received: by mail-ed1-x52a.google.com with SMTP id n23so12138427edy.0; Fri, 20 May 2022 12:58:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=xeCIxo4cGxF1ZHyWTaeeDO/o7Iv21Bmj6wRizfGpT5c=; b=Bv0EbFJ2N8Gflsjg7tvAWXYqfRnzZb8Mi96BnJE8mYn/57Ss3lHeOWylvswjRZRgjS s1MJRzmQPQfLHkCvthEybX04JZOLJdpAkweZTfnLDGvyoE30UOtk7viRFx8K67Cd6xus eA13fOH1q/jdDqy1NyXDOf9f+oOojQNUYzhNb56EU2UPSYHZEWsrs2m56uVGilgO9yC4 L6FJxWTtRqbmkBqUUOnXm0vOZz4uEWWys9yIRl30YXigCK6e/bePQZUe9As/OTiOkhdx okarLzoJtpOascuV6dwz2eAYh+DEMUwpR4V9DHGvRSTvnL8nV9m/DM9erl1akTcnblsx 3U3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=xeCIxo4cGxF1ZHyWTaeeDO/o7Iv21Bmj6wRizfGpT5c=; b=54cAreCEIK7jH0PluUI/IXyurb8OgsiCjUlgRCC+Mc9FjULO3C5J5iFwuf5tP/B6MM GOnI2YgfaD9AzdDsq/dQ/RAyKTOclHeuBlBM5lxGD9xfy3JhQvOEKCeLr74ih5akRHx8 j0IwdPqKRR2kC/KjH3dcVuNG9jxs7Eewqo1rQAJJ5/MQoeANJE/nabFg1zQH4iQzEey2 nZAO/t6zEtOFNg4NQvZVb7HuYnM58a1O3bTz1YWJcCNJYyOkt43hLh0lZaChnFNHNgkD FXtzxC3+QwAzn87t2iBcusqIeu972VHGfz5xi5zznWpiX0t7CT2l0kBb4VMTXJm8b3hd gKSA== X-Gm-Message-State: AOAM531K8mnBYaZCUb5AKW22FCQSI7nWlEW5Yfuii1o2s3B0MDKXcjWz WiU2tGT23TzF5349MuS7hbY= X-Google-Smtp-Source: ABdhPJyR38gzaVmfiI7HLFzG4H3JRx2WR6IhFlqJFAwdrMrF/sfzBJBdg4MMZUKvRWcmoa2kfgMwMA== X-Received: by 2002:a05:6402:1393:b0:42a:c36d:67a6 with SMTP id b19-20020a056402139300b0042ac36d67a6mr12902730edv.158.1653076690836; Fri, 20 May 2022 12:58:10 -0700 (PDT) Received: from debian64.daheim (pd9e296b5.dip0.t-ipconnect.de. [217.226.150.181]) by smtp.gmail.com with ESMTPSA id 9-20020a17090601c900b006f3ef214db7sm3505103ejj.29.2022.05.20.12.58.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 May 2022 12:58:10 -0700 (PDT) Received: from localhost.daheim ([127.0.0.1]) by debian64.daheim with esmtp (Exim 4.95) (envelope-from ) id 1ns8ki-000CS6-SK; Fri, 20 May 2022 21:58:10 +0200 Message-ID: Date: Fri, 20 May 2022 21:58:09 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH net-next 8/8] wifi: carl9170: silence a GCC 12 -Warray-bounds warning Content-Language: de-DE To: Jakub Kicinski , kvalo@kernel.org, johannes@sipsolutions.net Cc: netdev@vger.kernel.org, linux-wireless@vger.kernel.org References: <20220520194320.2356236-1-kuba@kernel.org> <20220520194320.2356236-9-kuba@kernel.org> From: Christian Lamparter In-Reply-To: <20220520194320.2356236-9-kuba@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 20/05/2022 21:43, Jakub Kicinski wrote: > carl9170 has a big union (struct carl9170_cmd) with all the command > types in it. But it allocates buffers only large enough for a given > command. This upsets GCC 12: > > drivers/net/wireless/ath/carl9170/cmd.c:125:30: warning: array subscript ‘struct carl9170_cmd[0]’ is partly outside array bounds of ‘unsigned char[8]’ [-Warray-bounds] > 125 | tmp->hdr.cmd = cmd; > | ~~~~~~~~~~~~~^~~~~ > > Punt the warning to W=1 for now. Hopefully GCC will learn to > recognize which fields are in-bounds. > > Signed-off-by: Jakub Kicinski Acked-by: Christian Lamparter