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/isa/msnd/msnd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/isa/msnd/msnd.c b/sound/isa/msnd/msnd.c index 8109ab3..ae9562c 100644 --- a/sound/isa/msnd/msnd.c +++ b/sound/isa/msnd/msnd.c @@ -572,7 +572,7 @@ static int snd_msnd_playback_trigger(struct snd_pcm_substream *substream, }
-static struct snd_pcm_ops snd_msnd_playback_ops = { +static const struct snd_pcm_ops snd_msnd_playback_ops = { .open = snd_msnd_playback_open, .close = snd_msnd_playback_close, .ioctl = snd_pcm_lib_ioctl, @@ -669,7 +669,7 @@ static int snd_msnd_capture_hw_params(struct snd_pcm_substream *substream, }
-static struct snd_pcm_ops snd_msnd_capture_ops = { +static const struct snd_pcm_ops snd_msnd_capture_ops = { .open = snd_msnd_capture_open, .close = snd_msnd_capture_close, .ioctl = snd_pcm_lib_ioctl,