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[05/13] ALSA: firewire: constify snd_pcm_ops structures

Message ID 1503042321-26758-6-git-send-email-arvind.yadav.cs@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Arvind Yadav Aug. 18, 2017, 7:45 a.m. UTC 
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@gmail.com>
---
 sound/firewire/isight.c        | 2 +-
 sound/firewire/motu/motu-pcm.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c
index 48d6dca..5826aa8 100644
--- a/sound/firewire/isight.c
+++ b/sound/firewire/isight.c
@@ -444,7 +444,7 @@  static snd_pcm_uframes_t isight_pointer(struct snd_pcm_substream *substream)
 
 static int isight_create_pcm(struct isight *isight)
 {
-	static struct snd_pcm_ops ops = {
+	static const struct snd_pcm_ops ops = {
 		.open      = isight_open,
 		.close     = isight_close,
 		.ioctl     = snd_pcm_lib_ioctl,
diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c
index a2b50df..1466e46 100644
--- a/sound/firewire/motu/motu-pcm.c
+++ b/sound/firewire/motu/motu-pcm.c
@@ -352,7 +352,7 @@  static int playback_ack(struct snd_pcm_substream *substream)
 
 int snd_motu_create_pcm_devices(struct snd_motu *motu)
 {
-	static struct snd_pcm_ops capture_ops = {
+	static const struct snd_pcm_ops capture_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,
@@ -365,7 +365,7 @@  int snd_motu_create_pcm_devices(struct snd_motu *motu)
 		.page      = snd_pcm_lib_get_vmalloc_page,
 		.mmap      = snd_pcm_lib_mmap_vmalloc,
 	};
-	static struct snd_pcm_ops playback_ops = {
+	static const struct snd_pcm_ops playback_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,