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/usb/6fire/pcm.c | 2 +- sound/usb/caiaq/audio.c | 2 +- sound/usb/hiface/pcm.c | 2 +- sound/usb/misc/ua101.c | 4 ++-- sound/usb/pcm.c | 4 ++-- sound/usb/usx2y/usbusx2yaudio.c | 2 +- sound/usb/usx2y/usx2yhwdeppcm.c | 2 +- 7 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c index 36f4115..224a6a5 100644 --- a/sound/usb/6fire/pcm.c +++ b/sound/usb/6fire/pcm.c @@ -555,7 +555,7 @@ static snd_pcm_uframes_t usb6fire_pcm_pointer( return ret; }
-static struct snd_pcm_ops pcm_ops = { +static const struct snd_pcm_ops pcm_ops = { .open = usb6fire_pcm_open, .close = usb6fire_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c index 8f66ba7..af5ad84 100644 --- a/sound/usb/caiaq/audio.c +++ b/sound/usb/caiaq/audio.c @@ -338,7 +338,7 @@ static int snd_usb_caiaq_pcm_trigger(struct snd_pcm_substream *sub, int cmd) }
/* operators for both playback and capture */ -static struct snd_pcm_ops snd_usb_caiaq_ops = { +static const struct snd_pcm_ops snd_usb_caiaq_ops = { .open = snd_usb_caiaq_substream_open, .close = snd_usb_caiaq_substream_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c index 33db205..175d8d6 100644 --- a/sound/usb/hiface/pcm.c +++ b/sound/usb/hiface/pcm.c @@ -513,7 +513,7 @@ static snd_pcm_uframes_t hiface_pcm_pointer(struct snd_pcm_substream *alsa_sub) return bytes_to_frames(alsa_sub->runtime, dma_offset); }
-static struct snd_pcm_ops pcm_ops = { +static const struct snd_pcm_ops pcm_ops = { .open = hiface_pcm_open, .close = hiface_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c index c19a5dd..71a0e9e 100644 --- a/sound/usb/misc/ua101.c +++ b/sound/usb/misc/ua101.c @@ -890,7 +890,7 @@ static snd_pcm_uframes_t playback_pcm_pointer(struct snd_pcm_substream *subs) return ua101_pcm_pointer(ua, &ua->playback); }
-static struct snd_pcm_ops capture_pcm_ops = { +static const struct snd_pcm_ops capture_pcm_ops = { .open = capture_pcm_open, .close = capture_pcm_close, .ioctl = snd_pcm_lib_ioctl, @@ -903,7 +903,7 @@ static snd_pcm_uframes_t playback_pcm_pointer(struct snd_pcm_substream *subs) .mmap = snd_pcm_lib_mmap_vmalloc, };
-static struct snd_pcm_ops playback_pcm_ops = { +static const struct snd_pcm_ops playback_pcm_ops = { .open = playback_pcm_open, .close = playback_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 9aa5b18..f9634c9 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -1690,7 +1690,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream return -EINVAL; }
-static struct snd_pcm_ops snd_usb_playback_ops = { +static const struct snd_pcm_ops snd_usb_playback_ops = { .open = snd_usb_playback_open, .close = snd_usb_playback_close, .ioctl = snd_pcm_lib_ioctl, @@ -1703,7 +1703,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream .mmap = snd_pcm_lib_mmap_vmalloc, };
-static struct snd_pcm_ops snd_usb_capture_ops = { +static const struct snd_pcm_ops snd_usb_capture_ops = { .open = snd_usb_capture_open, .close = snd_usb_capture_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c index dd40ca9..f412d8b 100644 --- a/sound/usb/usx2y/usbusx2yaudio.c +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -907,7 +907,7 @@ static int snd_usX2Y_pcm_close(struct snd_pcm_substream *substream) }
-static struct snd_pcm_ops snd_usX2Y_pcm_ops = +static const struct snd_pcm_ops snd_usX2Y_pcm_ops = { .open = snd_usX2Y_pcm_open, .close = snd_usX2Y_pcm_close, diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index d51c7fd..0d05052 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -587,7 +587,7 @@ static int snd_usX2Y_usbpcm_close(struct snd_pcm_substream *substream) }
-static struct snd_pcm_ops snd_usX2Y_usbpcm_ops = +static const struct snd_pcm_ops snd_usX2Y_usbpcm_ops = { .open = snd_usX2Y_usbpcm_open, .close = snd_usX2Y_usbpcm_close,