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/es18xx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c index ae17a65..77023e4 100644 --- a/sound/isa/es18xx.c +++ b/sound/isa/es18xx.c @@ -1665,7 +1665,7 @@ static int snd_es18xx_probe(struct snd_es18xx *chip, return snd_es18xx_initialize(chip, mpu_port, fm_port); }
-static struct snd_pcm_ops snd_es18xx_playback_ops = { +static const struct snd_pcm_ops snd_es18xx_playback_ops = { .open = snd_es18xx_playback_open, .close = snd_es18xx_playback_close, .ioctl = snd_pcm_lib_ioctl, @@ -1676,7 +1676,7 @@ static int snd_es18xx_probe(struct snd_es18xx *chip, .pointer = snd_es18xx_playback_pointer, };
-static struct snd_pcm_ops snd_es18xx_capture_ops = { +static const struct snd_pcm_ops snd_es18xx_capture_ops = { .open = snd_es18xx_capture_open, .close = snd_es18xx_capture_close, .ioctl = snd_pcm_lib_ioctl,