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@xxxxxxxxx> --- sound/firewire/isight.c | 2 +- sound/firewire/motu/motu-pcm.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c index 48d6dca..5826aa8 100644 --- a/sound/firewire/isight.c +++ b/sound/firewire/isight.c @@ -444,7 +444,7 @@ static snd_pcm_uframes_t isight_pointer(struct snd_pcm_substream *substream) static int isight_create_pcm(struct isight *isight) { - static struct snd_pcm_ops ops = { + static const struct snd_pcm_ops ops = { .open = isight_open, .close = isight_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c index a2b50df..1466e46 100644 --- a/sound/firewire/motu/motu-pcm.c +++ b/sound/firewire/motu/motu-pcm.c @@ -352,7 +352,7 @@ static int playback_ack(struct snd_pcm_substream *substream) int snd_motu_create_pcm_devices(struct snd_motu *motu) { - static struct snd_pcm_ops capture_ops = { + static const struct snd_pcm_ops capture_ops = { .open = pcm_open, .close = pcm_close, .ioctl = snd_pcm_lib_ioctl, @@ -365,7 +365,7 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu) .page = snd_pcm_lib_get_vmalloc_page, .mmap = snd_pcm_lib_mmap_vmalloc, }; - static struct snd_pcm_ops playback_ops = { + static const struct snd_pcm_ops playback_ops = { .open = pcm_open, .close = pcm_close, .ioctl = snd_pcm_lib_ioctl, -- 1.9.1 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel