linux-kernel - [PATCH 01/13] ALSA: aoa: constify snd_pcm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 18 Aug 2017 13:15:09 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     perex@...ex.cz, tiwai@...e.com, johannes@...solutions.net,
        linux@...linux.org.uk, daniel@...que.org, clemens@...isch.de
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: [PATCH 01/13] ALSA: aoa: 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/aoa/soundbus/i2sbus/pcm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/aoa/soundbus/i2sbus/pcm.c b/sound/aoa/soundbus/i2sbus/pcm.c
index 053b09c..e618531 100644
--- a/sound/aoa/soundbus/i2sbus/pcm.c
+++ b/sound/aoa/soundbus/i2sbus/pcm.c
@@ -778,7 +778,7 @@ static snd_pcm_uframes_t i2sbus_playback_pointer(struct snd_pcm_substream
 	return i2sbus_pcm_pointer(i2sdev, 0);
 }
 
-static struct snd_pcm_ops i2sbus_playback_ops = {
+static const struct snd_pcm_ops i2sbus_playback_ops = {
 	.open =		i2sbus_playback_open,
 	.close =	i2sbus_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -848,7 +848,7 @@ static snd_pcm_uframes_t i2sbus_record_pointer(struct snd_pcm_substream
 	return i2sbus_pcm_pointer(i2sdev, 1);
 }
 
-static struct snd_pcm_ops i2sbus_record_ops = {
+static const struct snd_pcm_ops i2sbus_record_ops = {
 	.open =		i2sbus_record_open,
 	.close =	i2sbus_record_close,
 	.ioctl =	snd_pcm_lib_ioctl,
-- 
1.9.1