linux-kernel - [PATCH 8/9] ALSA: sb8: constify snd_pcm

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Date:   Fri, 11 Aug 2017 17:28:06 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     perex@...ex.cz, tiwai@...e.com
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH 8/9] ALSA: sb8: constify snd_pcm_ops structures

snd_pcm_ops are not supposed to change at runtime. All functions
working with snd_pcm_ops provided by <sound/pcm.h> work with
const snd_pcm_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 sound/isa/sb/sb8_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/isa/sb/sb8_main.c b/sound/isa/sb/sb8_main.c
index 0f302be..f5d8f2d 100644
--- a/sound/isa/sb/sb8_main.c
+++ b/sound/isa/sb/sb8_main.c
@@ -572,7 +572,7 @@ static int snd_sb8_close(struct snd_pcm_substream *substream)
  *  Initialization part
  */
  
-static struct snd_pcm_ops snd_sb8_playback_ops = {
+static const struct snd_pcm_ops snd_sb8_playback_ops = {
 	.open =			snd_sb8_open,
 	.close =		snd_sb8_close,
 	.ioctl =		snd_pcm_lib_ioctl,
@@ -583,7 +583,7 @@ static int snd_sb8_close(struct snd_pcm_substream *substream)
 	.pointer =		snd_sb8_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_sb8_capture_ops = {
+static const struct snd_pcm_ops snd_sb8_capture_ops = {
 	.open =			snd_sb8_open,
 	.close =		snd_sb8_close,
 	.ioctl =		snd_pcm_lib_ioctl,
-- 
1.9.1