From nobody Sun Feb 8 02:56:21 2026 Received: from mail-ed1-f54.google.com (mail-ed1-f54.google.com [209.85.208.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 043B1383AE for ; Fri, 19 Jul 2024 19:19:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721416783; cv=none; b=W4QpcCpBPU4c+++cT5nHU+QZbI3LPcmCjHP6BQzH77O+L+icQ2Snu8cdjhtRbUFJ12OkGQojFvaJVZM+Uu6CwiSocbwDlG8m8GtZI2obU7AqC29G2E3mYu89MUTais9NXPuSb2dffxsZzZECHo4lonTf0XyVX6BvllYwe+xydPE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721416783; c=relaxed/simple; bh=eLzkmFgwPauQGZVcZaK/SPCAmIOt1kxVkchzfbCtLjE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=PWGh6Mfmj5xgT1yS51h0M+8ebkOWa9UyHQCMsh6nHUoeyEpyKQB0/jOLQkRkVoDl4Elsk3b2KTXTTwzGaaWsjG0v6She+G44E5SIQwvNSKl29teNmJCGb0hIZMe3y7g9RHej3lyyq9/JknuiP+ah7yQWRLEijktrkkoCwjyaD+U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=OB7DTclo; arc=none smtp.client-ip=209.85.208.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OB7DTclo" Received: by mail-ed1-f54.google.com with SMTP id 4fb4d7f45d1cf-5a156557026so1511407a12.2 for ; Fri, 19 Jul 2024 12:19:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721416780; x=1722021580; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=xr67dPq3inIYvgWnXjgECbHqLz3vjOh1UP/5FEOx4hI=; b=OB7DTcloc2Urf90+un2PYineY5kTP169Ay+XZRGHemnrCNhI1PntaLnbqZcr6ZWXQc 5p5lxNsxYThJ2Nwc4dJTAH2OqjofTT4QlnYtsmmAM3BD9BGhu8+6+Jm8xh6UF1sWP1Hw F4gAM4TukHJcqQFAeFx/qIuqQGrTrkC0pDc0f5TjmvIA/XXGPwUpfVXue7x7QvVDrc1n OAIcVNFzQkcZSCeNWBi12cMML7rpIWQSghY76vNSeaPq7UmTvSVaZiYm+By3gwAoRKi1 OORKuneHasPtKBcWy6nGbmMa31hvev2OH5bNqoX+MIfyJ0nwv1g+UlxKyg7Rk4gZNmKd J0bQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721416780; x=1722021580; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=xr67dPq3inIYvgWnXjgECbHqLz3vjOh1UP/5FEOx4hI=; b=uicXcohRSk5wznL69pgTrTf/9Sv9b3kty9ObvPmbeF49Btfai3+PSYvzv2PQvF28qo rEBkysJ+Yh+omUlj4DES3jp8ygMzAfbLiE5bZ2Kc2bgKrYK0dVMnegQetn7fvRz1Thwd ega9FymwUoOGIppyupeNEtoQ3IRz2+vtMb4sVuXUD7yxBRNRtwM1pfROznm2DX0lrlWn F/nZNDUyjpOOS8+JaJQ2PEvBcl4fnllDXyQOv7bhZtAF6xCzJMjmuI5Y7DhumBCgVKZw l2FMCbQn8TjUTMKA4eqk1z4uAtjKfEfiIdkr1wNTetPeGUCsmBG0AIskXwy2yBr/7gNN 3DjQ== X-Gm-Message-State: AOJu0YwUYG8A6GMggLUgp5/UXt7CxU3Z0emPKtv3egMOzSTKqd5Fbr/h JnHyHnrxBgWSQ5GweZEzUEkC+GkDkmcht07qKeLgmKsXoX+zTtppjeb2 X-Google-Smtp-Source: AGHT+IFKqJBfi3I+iwdmOoR/cOWkIvm2HnKhm/LEVlXYNSWs2rWoDSVMUk72bOTM+6S0wFY7DmrYuw== X-Received: by 2002:a05:6402:3481:b0:57c:6d1c:3cee with SMTP id 4fb4d7f45d1cf-5a05b7edf58mr8060800a12.14.1721416779950; Fri, 19 Jul 2024 12:19:39 -0700 (PDT) Received: from p183 ([46.53.253.212]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5a30aaa32bdsm1588090a12.26.2024.07.19.12.19.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jul 2024 12:19:39 -0700 (PDT) Date: Fri, 19 Jul 2024 22:19:37 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, andriy.shevchenko@linux.intel.com Subject: [PATCH] simplify container_of_const() Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" * add necessary parenthesis so that container_of_const((expr1, expr2), T, member) compiles without warnings, * delete unnecessary parenthesis, * delete unnecessary cast: container_of(ptr, T, member) has type "T*" and doesn't need any more casts. Signed-off-by: Alexey Dobriyan --- include/linux/container_of.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/include/linux/container_of.h +++ b/include/linux/container_of.h @@ -30,9 +30,9 @@ * @member: the name of the member within the struct. */ #define container_of_const(ptr, type, member) \ - _Generic(ptr, \ - const typeof(*(ptr)) *: ((const type *)container_of(ptr, type, member)),\ - default: ((type *)container_of(ptr, type, member)) \ + _Generic((ptr), \ + const typeof(*(ptr)) *: (const type *)container_of(ptr, type, member),\ + default: container_of(ptr, type, member) \ ) =20 #endif /* _LINUX_CONTAINER_OF_H */