From nobody Mon Feb 9 08:28:49 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 B8F03EB64DD for ; Mon, 31 Jul 2023 02:26:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229764AbjGaC0O (ORCPT ); Sun, 30 Jul 2023 22:26:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229479AbjGaC0N (ORCPT ); Sun, 30 Jul 2023 22:26:13 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 841D019C for ; Sun, 30 Jul 2023 19:26:12 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id d9443c01a7336-1b8b4749013so32053105ad.2 for ; Sun, 30 Jul 2023 19:26:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1690770372; x=1691375172; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=+5+YDtWOqzo4ntCd+ygrleNLdsHAxAxplxj1dQXMQFU=; b=hdJPCLFD6ReyKmnF/ug9HWb5kg1E28UUAXXmv8egdv9xxQkThiVfhuSHBKmF7GcLJD lhpwd2oUOws2qM2/rEbDiRyFv1IucwhwfzTIt4/O/SKIWXY9mQYhw99Q0h2PsOnEAWU4 hFZTS8t2EorHlPm3R+hQ1pPRGYQdl1+11bA0mTG0HyVq7mUAgFCyvyjQncueSRbQyduw hwC5rj21ZjjZKYNu/aSYwhMGHzxNos8+BBmczhTwhqCcoXxelfG9vkziu5n4rag4hO0R ndzen1kWIQCX3T7uJid61z356RElByaco+/nuR/bD61S6nE/+6GWbazNeTOZvYYIO0Ok tcZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690770372; x=1691375172; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=+5+YDtWOqzo4ntCd+ygrleNLdsHAxAxplxj1dQXMQFU=; b=keAwdvoxhBqIOdf+UYksZAitIyewOl/f1glhiBWTRy9+tJKruKoYc1vjpUWXPVV1WA rfSjf5TwxxGDq/njWpyOC4y9e5UTmk1RKrtTY6a3sxMbAu643IDt/5PMVrQLkOQRwhTp AxG/mqEjBr3kGoWLbxoyLOsw4zrh/UjBQETz44KSjjiOC1GgmBIJAdwbs7XV5FxAoDiG 1jHFKcp7VwNb+ExV5njGWoxHMsA4qs8CTodRXT4ixeQqQ3YLnj9mlAw8rE3rVzUdJphF 7LR8kSSSr9KMoZuPO8xH1iktjlzfivyswEcWo1Hns4TRNB6/YomcAGnpp2zKvzqxfdAx LD9Q== X-Gm-Message-State: ABy/qLZP0H5Zvypocl5vj4vIbfpc0AzBPlSfipOpBHXkrN8aEe7tDq/Z 3XfMmSmyCCXn+P5QuT+3B/eA+dBF+LAcZ8uF X-Google-Smtp-Source: APBJJlF+vu+opgQ1dCnvS8yu4mP20sj7AQijKvtoK4+KiXtKJ9FGp/UBhR3wdrI/NYwby8rzAkp0Og== X-Received: by 2002:a17:902:ea0d:b0:1b8:6cac:ffe8 with SMTP id s13-20020a170902ea0d00b001b86cacffe8mr9713516plg.51.1690770371714; Sun, 30 Jul 2023 19:26:11 -0700 (PDT) Received: from rajgad.hsd1.ca.comcast.net ([2601:204:df00:9cd0:f50b:8f24:acc4:e5c]) by smtp.gmail.com with ESMTPSA id g6-20020a170902740600b001b03842ab78sm7233993pll.89.2023.07.30.19.26.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Jul 2023 19:26:11 -0700 (PDT) From: Atul Raut To: linux-kernel@vger.kernel.org Cc: linux-kernel-mentees@lists.linuxfoundation.org Subject: [PATCH] ipc:msg: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper Date: Sun, 30 Jul 2023 19:25:57 -0700 Message-Id: <20230731022557.25598-1-rauji.raut@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Replacing zero-length arrays with C99 flexible-array members because they are deprecated. Use the new DECLARE_FLEX_ARRAY() auxiliary macro instead of defining a zero-length array. This fixes warnings such as: ./ipc/msg.c:981:6-11: WARNING use flexible-array member instead (https://ww= w.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-el= ement-arrays) Signed-off-by: Atul Raut --- ipc/msg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ipc/msg.c b/ipc/msg.c index fd08b3cb36d7..300c126faf2d 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -978,7 +978,7 @@ SYSCALL_DEFINE4(msgsnd, int, msqid, struct msgbuf __use= r *, msgp, size_t, msgsz, =20 struct compat_msgbuf { compat_long_t mtype; - char mtext[1]; + DECLARE_FLEX_ARRAY(char, mtext); }; =20 long compat_ksys_msgsnd(int msqid, compat_uptr_t msgp, --=20 2.34.1