From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751250AbdAUJp5 (ORCPT ); Sat, 21 Jan 2017 04:45:57 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:36628 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750765AbdAUJpt (ORCPT ); Sat, 21 Jan 2017 04:45:49 -0500 From: Bhumika Goyal To: julia.lawall@lip6.fr, crope@iki.fi, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bhumika Goyal Subject: [PATCH] media: dvb-frontends: constify vb2_ops structure Date: Sat, 21 Jan 2017 15:15:31 +0530 Message-Id: <1484991931-18243-1-git-send-email-bhumirks@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Declare vb2_ops structure as const as it is only stored in the ops field of a vb2_queue structure. This field is of type const, so vb2_ops structures having same properties can be made const too. Done using Coccinelle: @r1 disable optional_qualifier@ identifier i; position p; @@ static struct vb2_ops i@p={...}; @ok1@ identifier r1.i; position p; struct sta2x11_vip vip; struct vb2_queue q; @@ ( vip.vb_vidq.ops=&i@p | q.ops=&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 vb2_ops i; File size details of media/dvb-frontends/rtl2832_sdr.o file remains the same before and after applying the patch. Signed-off-by: Bhumika Goyal --- drivers/media/dvb-frontends/rtl2832_sdr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c index e038e88..c6e78d8 100644 --- a/drivers/media/dvb-frontends/rtl2832_sdr.c +++ b/drivers/media/dvb-frontends/rtl2832_sdr.c @@ -956,7 +956,7 @@ static void rtl2832_sdr_stop_streaming(struct vb2_queue *vq) mutex_unlock(&dev->v4l2_lock); } -static struct vb2_ops rtl2832_sdr_vb2_ops = { +static const struct vb2_ops rtl2832_sdr_vb2_ops = { .queue_setup = rtl2832_sdr_queue_setup, .buf_prepare = rtl2832_sdr_buf_prepare, .buf_queue = rtl2832_sdr_buf_queue, -- 1.9.1