From 6ba79b853289289052b4c4c2c68de4418cd8c57d Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 5 Jan 2017 17:01:14 +0100 Subject: [PATCH] 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 Signed-off-by: Takashi Iwai --- include/sound/rawmidi.h | 4 ++-- sound/core/rawmidi.c | 2 +- 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; -- GitLab