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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 7DB22C3F2CE for ; Wed, 4 Mar 2020 18:36:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46EC12166E for ; Wed, 4 Mar 2020 18:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583347016; bh=Q5zcdnLn8aFwGuFTh/7DkOTC8NTckx4eSzDvY5E0y1E=; h=Date:From:To:Cc:Subject:Reply-To:List-ID:From; b=UeLfeB5HzI+C9KlWC1ez1ku74VstwW/z7TXHG1M+ZRUj0g4HN/K+vjRKTlgTNueue nQORFRgXEG2fQbkdlCHnITAB6zTfqHsM8q1QIikCG5BrE2OUJuZp28etOqIl8ZWuRW ajGQS5vCKSe7KucGZNRg6tLiY8D+PRejzaSrIdgw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730185AbgCDSgz (ORCPT ); Wed, 4 Mar 2020 13:36:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:59086 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730167AbgCDSgz (ORCPT ); Wed, 4 Mar 2020 13:36:55 -0500 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (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 A164920866; Wed, 4 Mar 2020 18:36:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583347014; bh=Q5zcdnLn8aFwGuFTh/7DkOTC8NTckx4eSzDvY5E0y1E=; h=Date:From:To:Cc:Subject:Reply-To:From; b=JYWYXyHbGO/ncCPzgBkUUpnpRqfBeqCVjch7d8VxsH0SW8CVnm2AsGQBp9GrQMAZh 182YlsgWwKCaR/1pMuiu1HzWBb9TXYbQUJqj11/pj1k9qkGSYtj/E65zUDFjDiR8K7 8a+pB2yya/d2xJb3a+7CgGkZaoBNKVPGgIi4+cCY= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 715BC3522731; Wed, 4 Mar 2020 10:36:54 -0800 (PST) Date: Wed, 4 Mar 2020 10:36:54 -0800 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: chris@chris-wilson.co.uk, joe@perches.com, hch@infradead.org, mripard@kernel.org, airlied@linux.ie, daniel@ffwll.ch, torvalds@linux-foundation.org, mingo@kernel.org, kernel-team@fb.com Subject: [PATCH] Make drm_dp_mst_dsc_aux_for_port() safe for old compilers Message-ID: <20200304183654.GA9011@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Older compilers either want two extra pairs of curly braces around the initializer for local variable "desc", or they want a single pair of curly braces with nothing inside. Current Linux-kernel practice favors the latter, so this commit makes it so. This is a fix for a regression introduced into v5.6-rc1. Fixes: 5b03f9d86880 ("drm/dp_mst: Add new quirk for Synaptics MST hubs") Suggested-by: Chris Wilson Suggested-by: Joe Perches Suggested-by: Christoph Hellwig Signed-off-by: Paul E. McKenney Cc: Maxime Ripard Cc: David Airlie Cc: Daniel Vetter diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 20cdaf3..b123f60 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -5396,7 +5396,7 @@ struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port) { struct drm_dp_mst_port *immediate_upstream_port; struct drm_dp_mst_port *fec_port; - struct drm_dp_desc desc = { 0 }; + struct drm_dp_desc desc = { }; u8 endpoint_fec; u8 endpoint_dsc;