From patchwork Mon May 18 17:37:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 225657 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 EFDD9C433DF for ; Mon, 18 May 2020 18:17:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C84BE207D3 for ; Mon, 18 May 2020 18:17:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589825822; bh=CncCaItO4mAN4EliTW7rMnGycSoeTL1vbEZZOWBSb6s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=yw5JMVb2OX2xqsK8nPdClGvgm/1Q5xf3l2X/A53vYqW07yYBmJreQckEoJkeM6Xaz WTd+LbgmwzK2Zj7xnXEMhRwPT+Lb7+Ov3jMTtWlLIwIw8oQpIFE6jE0NU5N8CJI74w Q/fuFD1Z4T04JECon0OX2tzHN6a2Nik8W42ci4Zo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731829AbgERR5l (ORCPT ); Mon, 18 May 2020 13:57:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:36408 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731825AbgERR5k (ORCPT ); Mon, 18 May 2020 13:57:40 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6707920674; Mon, 18 May 2020 17:57:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589824659; bh=CncCaItO4mAN4EliTW7rMnGycSoeTL1vbEZZOWBSb6s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OUE1WFZG/1Eugn5je1coqWIXsbSHqp45YziK3/o8ucPlmIcnNm7xh1CDnsd/s/jaN 5p6UaZo19gwWBQcpxasjbWTVqC8AN/hcmAK7p3NwTU5n3VgmtRwG531pvwLE1qOle5 PDREenDaCFp5JgmRNmcIEgGrrSACyyoO2hTySvcc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Linus Torvalds Subject: [PATCH 5.4 100/147] gcc-10 warnings: fix low-hanging fruit Date: Mon, 18 May 2020 19:37:03 +0200 Message-Id: <20200518173525.881693591@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200518173513.009514388@linuxfoundation.org> References: <20200518173513.009514388@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Linus Torvalds commit 9d82973e032e246ff5663c9805fbb5407ae932e3 upstream. Due to a bug-report that was compiler-dependent, I updated one of my machines to gcc-10. That shows a lot of new warnings. Happily they seem to be mostly the valid kind, but it's going to cause a round of churn for getting rid of them.. This is the really low-hanging fruit of removing a couple of zero-sized arrays in some core code. We have had a round of these patches before, and we'll have many more coming, and there is nothing special about these except that they were particularly trivial, and triggered more warnings than most. Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- include/linux/fs.h | 2 +- include/linux/tty.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -978,7 +978,7 @@ struct file_handle { __u32 handle_bytes; int handle_type; /* file identifier */ - unsigned char f_handle[0]; + unsigned char f_handle[]; }; static inline struct file *get_file(struct file *f) --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -66,7 +66,7 @@ struct tty_buffer { int read; int flags; /* Data points here */ - unsigned long data[0]; + unsigned long data[]; }; /* Values for .flags field of tty_buffer */