From patchwork Sat Jul 8 01:15:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gustavo A. R. Silva" X-Patchwork-Id: 9831309 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9546060352 for ; Sat, 8 Jul 2017 01:39:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6FF3727F9F for ; Sat, 8 Jul 2017 01:39:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 63A9328563; Sat, 8 Jul 2017 01:39:06 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.4 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RCVD_IN_SORBS_SPAM autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 97EBE27F9F for ; Sat, 8 Jul 2017 01:39:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751785AbdGHBjE (ORCPT ); Fri, 7 Jul 2017 21:39:04 -0400 Received: from gateway34.websitewelcome.com ([192.185.148.164]:49429 "EHLO gateway34.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751751AbdGHBjE (ORCPT ); Fri, 7 Jul 2017 21:39:04 -0400 X-Greylist: delayed 1388 seconds by postgrey-1.27 at vger.kernel.org; Fri, 07 Jul 2017 21:39:04 EDT Received: from cm10.websitewelcome.com (cm10.websitewelcome.com [100.42.49.4]) by gateway34.websitewelcome.com (Postfix) with ESMTP id 4B8B52DD46 for ; Fri, 7 Jul 2017 20:15:53 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id TeLHd65qvWWYXTeLHd1jz2; Fri, 07 Jul 2017 20:15:27 -0500 Received: from [189.152.152.176] (port=37240 helo=embeddedgus) by gator4166.hostgator.com with esmtpa (Exim 4.87) (envelope-from ) id 1dTeLh-001Azc-3M; Fri, 07 Jul 2017 20:15:53 -0500 Date: Fri, 7 Jul 2017 20:15:52 -0500 From: "Gustavo A. R. Silva" To: Bartlomiej Zolnierkiewicz Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] video/chips: constify fb_fix_screeninfo and fb_var_screeninfo structures Message-ID: <20170708011552.GA26138@embeddedgus> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 189.152.152.176 X-Exim-ID: 1dTeLh-001Azc-3M X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedgus) [189.152.152.176]:37240 X-Source-Auth: garsilva@embeddedor.com X-Email-Count: 7 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP These structures are only used to copy into other structures, so declare them as const. This issue was detected using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct fb_fix_screeninfo i@p = { ... }; @ok@ identifier r.i; expression e; position p; @@ e = i@p @bad@ position p != {r.p,ok.p}; identifier r.i; struct fb_fix_screeninfo e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct fb_fix_screeninfo i = { ... }; The semantic patch for fb_var_screeninfo is analogous. Signed-off-by: Gustavo A. R. Silva --- drivers/video/fbdev/chipsfb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c index 59abdc6..f103665 100644 --- a/drivers/video/fbdev/chipsfb.c +++ b/drivers/video/fbdev/chipsfb.c @@ -292,7 +292,7 @@ static void chips_hw_init(void) write_fr(chips_init_fr[i].addr, chips_init_fr[i].data); } -static struct fb_fix_screeninfo chipsfb_fix = { +static const struct fb_fix_screeninfo chipsfb_fix = { .id = "C&T 65550", .type = FB_TYPE_PACKED_PIXELS, .visual = FB_VISUAL_PSEUDOCOLOR, @@ -309,7 +309,7 @@ static struct fb_fix_screeninfo chipsfb_fix = { .smem_len = 0x100000, /* 1MB */ }; -static struct fb_var_screeninfo chipsfb_var = { +static const struct fb_var_screeninfo chipsfb_var = { .xres = 800, .yres = 600, .xres_virtual = 800,