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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4C39C432C3 for ; Fri, 26 Feb 2021 01:22:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C09864F30 for ; Fri, 26 Feb 2021 01:22:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229537AbhBZBWg (ORCPT ); Thu, 25 Feb 2021 20:22:36 -0500 Received: from mail.kernel.org ([198.145.29.99]:52654 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230060AbhBZBVc (ORCPT ); Thu, 25 Feb 2021 20:21:32 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2C92B64F3C; Fri, 26 Feb 2021 01:21:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1614302464; bh=l1n256VGACAvnIN1lwNELVlMM6rCPZVqR8xukU1Rs2w=; h=Date:From:To:Subject:In-Reply-To:From; b=DqsQ/ABOE6qdcbJ3JF8xE/KSuRwnIo1BDzo2IbHLRnTQWpnFm5X+AXbnVB+jRZl23 qCAETiH4M2pXMG6fBO9yPjFYV0KWfo3d2p13mTEJD51n6qOUMJDV/AH6RP52/Mx1rG A6wH+tr2NdqEWxeKQ8j/3+qmo7Ruaz6q1vbLlc68= Date: Thu, 25 Feb 2021 17:21:03 -0800 From: Andrew Morton To: akpm@linux-foundation.org, hubert.jasudowicz@gmail.com, linux-mm@kvack.org, mikelley@microsoft.com, mm-commits@vger.kernel.org, mortonm@chromium.org, peterz@infradead.org, thomascedeno@google.com, torvalds@linux-foundation.org, xiang@kernel.org Subject: [patch 088/118] groups: use flexible-array member in struct group_info Message-ID: <20210226012103.WcPCc2XlT%akpm@linux-foundation.org> In-Reply-To: <20210225171452.713967e96554bb6a53e44a19@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Hubert Jasudowicz Subject: groups: use flexible-array member in struct group_info Replace zero-size array with flexible array member, as recommended by the docs. Link: https://lkml.kernel.org/r/155995eed35c3c1bdcc56e69d8997c8e4c46740a.1611620846.git.hubert.jasudowicz@gmail.com Signed-off-by: Hubert Jasudowicz Cc: "Peter Zijlstra (Intel)" Cc: Micah Morton Cc: Gao Xiang Cc: Michael Kelley Cc: Thomas Cedeno Signed-off-by: Andrew Morton --- include/linux/cred.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/cred.h~groups-use-flexible-array-member-in-struct-group_info +++ a/include/linux/cred.h @@ -25,7 +25,7 @@ struct inode; struct group_info { atomic_t usage; int ngroups; - kgid_t gid[0]; + kgid_t gid[]; } __randomize_layout; /** _