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authorTakashi Iwai <tiwai@suse.de>2017-01-05 19:01:14 +0300
committerTakashi Iwai <tiwai@suse.de>2017-01-12 14:49:36 +0300
commit6ba79b853289289052b4c4c2c68de4418cd8c57d (patch)
tree8697b665c5f435964d699a8e14826f569dfa38d6
parent46a049dae771b95e77ac6c823330f4a60f600236 (diff)
downloadlinux-6ba79b853289289052b4c4c2c68de4418cd8c57d.tar.xz
ALSA: rawmidi: Add const to snd_rawmidi_ops
Make snd_rawmidi_substream.ops to be a const pointer to be safer and allow more optimization. The patches to constify each rawmidi ops will follow. Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--include/sound/rawmidi.h4
-rw-r--r--sound/core/rawmidi.c2
2 files changed, 3 insertions, 3 deletions
diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h
index f730b91e472f..492a3ca7f17b 100644
--- a/include/sound/rawmidi.h
+++ b/include/sound/rawmidi.h
@@ -103,7 +103,7 @@ struct snd_rawmidi_substream {
struct snd_rawmidi_runtime *runtime;
struct pid *pid;
/* hardware layer */
- struct snd_rawmidi_ops *ops;
+ const struct snd_rawmidi_ops *ops;
};
struct snd_rawmidi_file {
@@ -155,7 +155,7 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
int output_count, int input_count,
struct snd_rawmidi **rmidi);
void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,
- struct snd_rawmidi_ops *ops);
+ const struct snd_rawmidi_ops *ops);
/* callbacks */
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 2096bb0835c8..8da9cb245d01 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -1749,7 +1749,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device)
* Sets the rawmidi operators for the given stream direction.
*/
void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,
- struct snd_rawmidi_ops *ops)
+ const struct snd_rawmidi_ops *ops)
{
struct snd_rawmidi_substream *substream;