ALSA: midi: constify snd_rawmidi_global_ops structures

The snd_rawmidi_global_ops structures are never modified, so declare them
as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h
index f6cbef7..fdabbb4 100644 (file)
--- a/include/sound/rawmidi.h
+++ b/include/sound/rawmidi.h
@@ -130,7 +130,7 @@ struct snd_rawmidi {
        int ossreg;
 #endif
 
-       struct snd_rawmidi_global_ops *ops;
+       const struct snd_rawmidi_global_ops *ops;
 
        struct snd_rawmidi_str streams[2];
 

diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
index 56e0f4c..3da2d48 100644 (file)
--- a/sound/core/seq/seq_virmidi.c
+++ b/sound/core/seq/seq_virmidi.c
@@ -468,7 +468,7 @@ static int snd_virmidi_dev_unregister(struct snd_rawmidi *rmidi)
 /*
  *
  */
-static struct snd_rawmidi_global_ops snd_virmidi_global_ops = {
+static const struct snd_rawmidi_global_ops snd_virmidi_global_ops = {
        .dev_register = snd_virmidi_dev_register,
        .dev_unregister = snd_virmidi_dev_unregister,
 };

diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 5b4c58c..ee212e7 100644 (file)
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -2206,7 +2206,7 @@ static int snd_usbmidi_create_endpoints_midiman(struct snd_usb_midi *umidi,
        return 0;
 }
 
-static struct snd_rawmidi_global_ops snd_usbmidi_ops = {
+static const struct snd_rawmidi_global_ops snd_usbmidi_ops = {
        .get_port_info = snd_usbmidi_get_port_info,
 };