[alsa-devel] [PATCH 5/9] ALSA: msnd: constify snd_pcm_ops structures
Arvind Yadav
arvind.yadav.cs at gmail.com
Fri Aug 11 13:58:03 CEST 2017
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 at 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,
--
1.9.1
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