[alsa-devel] [PATCH 6/9] ALSA: emu8000: constify snd_pcm_ops structures

Arvind Yadav arvind.yadav.cs at gmail.com
Fri Aug 11 13:58:04 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/sb/emu8000_pcm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/isa/sb/emu8000_pcm.c b/sound/isa/sb/emu8000_pcm.c
index 2ee8d67..9409827 100644
--- a/sound/isa/sb/emu8000_pcm.c
+++ b/sound/isa/sb/emu8000_pcm.c
@@ -670,7 +670,7 @@ static snd_pcm_uframes_t emu8k_pcm_pointer(struct snd_pcm_substream *subs)
 }
 
 
-static struct snd_pcm_ops emu8k_pcm_ops = {
+static const struct snd_pcm_ops emu8k_pcm_ops = {
 	.open =		emu8k_pcm_open,
 	.close =	emu8k_pcm_close,
 	.ioctl =	snd_pcm_lib_ioctl,
-- 
1.9.1



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