Commit f9592582 authored by Arvind Yadav's avatar Arvind Yadav Committed by Takashi Iwai
Browse files

ALSA: drivers: 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: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 10863737

sound/drivers/aloop.c

+2 −2
Original line number Diff line number Diff line
@@ -750,7 +750,7 @@ static int loopback_close(struct snd_pcm_substream *substream) 
	return 0;

}



static struct snd_pcm_ops loopback_playback_ops = {

static const struct snd_pcm_ops loopback_playback_ops = {

	.open =		loopback_open,

	.close =	loopback_close,

	.ioctl =	snd_pcm_lib_ioctl,
@@ -763,7 +763,7 @@ static struct snd_pcm_ops loopback_playback_ops = { 
	.mmap =		snd_pcm_lib_mmap_vmalloc,

};



static struct snd_pcm_ops loopback_capture_ops = {

static const struct snd_pcm_ops loopback_capture_ops = {

	.open =		loopback_open,

	.close =	loopback_close,

	.ioctl =	snd_pcm_lib_ioctl,

sound/drivers/ml403-ac97cr.c

+2 −2
Original line number Diff line number Diff line
@@ -759,7 +759,7 @@ static int snd_ml403_ac97cr_capture_close(struct snd_pcm_substream *substream) 
	return 0;

}



static struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = {

static const struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = {

	.open = snd_ml403_ac97cr_playback_open,

	.close = snd_ml403_ac97cr_playback_close,

	.ioctl = snd_pcm_lib_ioctl,
@@ -770,7 +770,7 @@ static struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = { 
	.pointer = snd_ml403_ac97cr_pcm_pointer,

};



static struct snd_pcm_ops snd_ml403_ac97cr_capture_ops = {

static const struct snd_pcm_ops snd_ml403_ac97cr_capture_ops = {

	.open = snd_ml403_ac97cr_capture_open,

	.close = snd_ml403_ac97cr_capture_close,

	.ioctl = snd_pcm_lib_ioctl,

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