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author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-08-18 13:15:21 +0530 |
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committer | Takashi Iwai <tiwai@suse.de> | 2017-08-19 11:02:27 +0200 |
commit | 31cb1fb41df3b871d337544ed5199a135e606f69 (patch) | |
tree | 1aa74f5af6cd1377837eeb63f08d8e52f24a62c5 /sound/usb/pcm.c | |
parent | 7a205f5db56d9055ff368ab5103275d0164a41c8 (diff) | |
download | linux-31cb1fb41df3b871d337544ed5199a135e606f69.tar.bz2 |
ALSA: usb: constify snd_pcm_ops structures
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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/pcm.c')
-rw-r--r-- | sound/usb/pcm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index a4f3390608d5..b9c9a19f9588 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 struct snd_pcm_ops snd_usb_playback_ops = { .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, |