From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-f193.google.com ([209.85.192.193]:34171 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750763AbcLLIKL (ORCPT ); Mon, 12 Dec 2016 03:10:11 -0500 From: Bhumika Goyal To: julia.lawall@lip6.fr, g.liakhovetski@gmx.de, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bhumika Goyal Subject: [PATCH] media: platform: soc_camera_platform : constify v4l2_subdev_* structures Date: Mon, 12 Dec 2016 13:39:53 +0530 Message-Id: <1481530193-18158-1-git-send-email-bhumirks@gmail.com> Sender: linux-media-owner@vger.kernel.org List-ID: v4l2_subdev_{core/video}_ops structures are stored in the fields of the v4l2_subdev_ops structure which are of type const. Also, v4l2_subdev_ops structure is passed to a function having its argument of type const. As these structures are never modified, so declare them as const. Done using Coccinelle:(One of the scripts) @r1 disable optional_qualifier @ identifier i; position p; @@ static struct v4l2_subdev_core_ops i@p = {...}; @ok1@ identifier r1.i; position p; struct v4l2_subdev_ops obj; @@ obj.core=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct v4l2_subdev_core_ops i; File size before: text data bss dec hex filename 858 576 0 1434 59a soc_camera/soc_camera_platform.o File size after: text data bss dec hex filename 1234 192 0 1426 592 soc_camera/soc_camera_platform.o Signed-off-by: Bhumika Goyal --- drivers/media/platform/soc_camera/soc_camera_platform.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/soc_camera/soc_camera_platform.c b/drivers/media/platform/soc_camera/soc_camera_platform.c index 534d6c3..cb4986b 100644 --- a/drivers/media/platform/soc_camera/soc_camera_platform.c +++ b/drivers/media/platform/soc_camera/soc_camera_platform.c @@ -59,7 +59,7 @@ static int soc_camera_platform_s_power(struct v4l2_subdev *sd, int on) return soc_camera_set_power(p->icd->control, &p->icd->sdesc->subdev_desc, NULL, on); } -static struct v4l2_subdev_core_ops platform_subdev_core_ops = { +static const struct v4l2_subdev_core_ops platform_subdev_core_ops = { .s_power = soc_camera_platform_s_power, }; @@ -110,7 +110,7 @@ static int soc_camera_platform_g_mbus_config(struct v4l2_subdev *sd, return 0; } -static struct v4l2_subdev_video_ops platform_subdev_video_ops = { +static const struct v4l2_subdev_video_ops platform_subdev_video_ops = { .s_stream = soc_camera_platform_s_stream, .g_mbus_config = soc_camera_platform_g_mbus_config, }; @@ -122,7 +122,7 @@ static int soc_camera_platform_g_mbus_config(struct v4l2_subdev *sd, .set_fmt = soc_camera_platform_fill_fmt, }; -static struct v4l2_subdev_ops platform_subdev_ops = { +static const struct v4l2_subdev_ops platform_subdev_ops = { .core = &platform_subdev_core_ops, .video = &platform_subdev_video_ops, .pad = &platform_subdev_pad_ops, -- 1.9.1