Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752476AbdGFUUH (ORCPT ); Thu, 6 Jul 2017 16:20:07 -0400 Received: from gateway30.websitewelcome.com ([192.185.168.15]:45698 "EHLO gateway30.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751878AbdGFUUG (ORCPT ); Thu, 6 Jul 2017 16:20:06 -0400 X-Greylist: delayed 339 seconds by postgrey-1.27 at vger.kernel.org; Thu, 06 Jul 2017 16:20:06 EDT Date: Thu, 6 Jul 2017 15:20:00 -0500 From: "Gustavo A. R. Silva" To: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, "Gustavo A. R. Silva" Subject: [PATCH] pxa_camera: constify vb2_ops structure Message-ID: <20170706202000.GA8934@embeddedgus> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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: 189.152.196.165 X-Exim-ID: 1dTDFs-004BI1-05 X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: (embeddedgus) [189.152.196.165]:37028 X-Source-Auth: garsilva@embeddedor.com X-Email-Count: 13 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1329 Lines: 53 Check for vb2_ops structures that are only stored in the ops field of a vb2_queue structure. That field is declared const, so vb2_ops structures that have this property can be declared as const also. This issue was detected using Coccinelle and the following semantic patch: @r disable optional_qualifier@ identifier i; position p; @@ static struct vb2_ops i@p = { ... }; @ok@ identifier r.i; struct vb2_queue e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct vb2_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct vb2_ops i = { ... }; Signed-off-by: Gustavo A. R. Silva --- drivers/media/platform/pxa_camera.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/pxa_camera.c b/drivers/media/platform/pxa_camera.c index 3990951..5c3b7cf 100644 --- a/drivers/media/platform/pxa_camera.c +++ b/drivers/media/platform/pxa_camera.c @@ -1557,7 +1557,7 @@ static void pxac_vb2_stop_streaming(struct vb2_queue *vq) pxa_camera_wakeup(pcdev, buf, VB2_BUF_STATE_ERROR); } -static struct vb2_ops pxac_vb2_ops = { +static const struct vb2_ops pxac_vb2_ops = { .queue_setup = pxac_vb2_queue_setup, .buf_init = pxac_vb2_init, .buf_prepare = pxac_vb2_prepare, -- 2.5.0