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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F794C433EF for ; Sun, 3 Oct 2021 12:07:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B1D16113E for ; Sun, 3 Oct 2021 12:07:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230177AbhJCMGH (ORCPT ); Sun, 3 Oct 2021 08:06:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36122 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229505AbhJCMGG (ORCPT ); Sun, 3 Oct 2021 08:06:06 -0400 Received: from mail-ed1-x52d.google.com (mail-ed1-x52d.google.com [IPv6:2a00:1450:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 307F7C0613EC for ; Sun, 3 Oct 2021 05:04:19 -0700 (PDT) Received: by mail-ed1-x52d.google.com with SMTP id g8so53473847edt.7 for ; Sun, 03 Oct 2021 05:04:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:mime-version:content-disposition; bh=16jv9dHgdRgKVxtGwcKBR5fNJruBm+0ydvDzDv4vhuM=; b=E4pqZZkP/UJkcQRg7nI6xnxMpBoPonlviiSF9zun6gj4ihbfUh45gWcEREXdV0d8FY DQQ7Gf9abyRJm0RJE0san48IOsHBeDiW07G87kq0ycOQRCfQJwF+fp1zkpqpIYC1/uvu OpAqOxoIP5nuMlrZy+mFt0xtak8tc5F4TbgbhYkqzfuDLhe4WxYHVED2fvPSNFhLXeOe 0vyBXk2Rz8PBGYIxXmvSc4Os3dGWYOVh+ghqVpSuoikTqLo0atk57/AJ7crdQ2xGtzJd ELl0ehZxDm2wvV3dAKcw8j60ZiUHtCoLbqxX/IOADFDsWqm0QSp4IdRXk72TRY8Tr3jh s8+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition; bh=16jv9dHgdRgKVxtGwcKBR5fNJruBm+0ydvDzDv4vhuM=; b=JYPlHm1tCIO4Ma+PELcLv4TZ6wwUTPUDFAT7tPSg2j6BjVZwWyKc/C5kBRgrtJEckP vFqlabWlO4wQu16NNC97oRtA2wUTYFDsQ4y/+sz46S+WsO1U5KRpfrYaB25Fx0gmCuyI RNGtq+KVOMhgqH+mH21C2HWWjR5KBG/E/zeiIDdE4349jUODeGAITgeu4vvbzM7LWJdh /7fJRJM0x0g8cNGzc7sOQvvF9k0EbThnagnL0Kq70AsGRXcjXerLlNj2kugQsiL+H53w MfJ+LLi2y9aIqWHn/s9S9brOZjy5l/QgpQ8E43LWR3dO4LYfRaB+QvifxAFgP2hJaTlk Bhvw== X-Gm-Message-State: AOAM531HVv4788CNiuwAhqXjVlHJgx191nDdeAUGqDeMjVsmYTBy/MZv lx7MLG1cIkWB9uOrJvuyX/tNww24UA== X-Google-Smtp-Source: ABdhPJyF2TA1UDEjTjE7+KWUCKCh674Gb1x/BeMolN40O+YYBlxbSUvtHhlbuIbzGkU5HOKWXU1Zvw== X-Received: by 2002:a50:d84c:: with SMTP id v12mr10458100edj.203.1633262657289; Sun, 03 Oct 2021 05:04:17 -0700 (PDT) Received: from localhost.localdomain ([46.53.253.147]) by smtp.gmail.com with ESMTPSA id s16sm1834229ejf.76.2021.10.03.05.04.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Oct 2021 05:04:17 -0700 (PDT) Date: Sun, 3 Oct 2021 15:04:15 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] ELF: simplify STACK_ALLOC macro Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org "A -= B; A" is equivalent to "A -= B". Signed-off-by: Alexey Dobriyan --- fs/binfmt_elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -156,7 +156,7 @@ static int padzero(unsigned long elf_bss) #define STACK_ADD(sp, items) ((elf_addr_t __user *)(sp) - (items)) #define STACK_ROUND(sp, items) \ (((unsigned long) (sp - items)) &~ 15UL) -#define STACK_ALLOC(sp, len) ({ sp -= len ; sp; }) +#define STACK_ALLOC(sp, len) (sp -= len) #endif #ifndef ELF_BASE_PLATFORM