Check for snd_pcm_ops structures that are only stored in the ops field of a snd_soc_platform_driver structure or passed as the third argument to snd_pcm_set_ops. The corresponding field or parameter is declared const, so snd_pcm_ops structures that have this property can be declared as const also.
The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r disable optional_qualifier@ identifier i; position p; @@ static struct snd_pcm_ops i@p = { ... }; @ok1@ identifier r.i; struct snd_soc_platform_driver e; position p; @@ e.ops = &i@p; @ok2@ identifier r.i; expression e1, e2; position p; @@ snd_pcm_set_ops(e1, e2, &i@p) @bad@ position p != {r.p,ok1.p,ok2.p}; identifier r.i; struct snd_pcm_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct snd_pcm_ops i = { ... }; // </smpl> Signed-off-by: Julia Lawall <julia.law...@lip6.fr> --- drivers/media/usb/cx231xx/cx231xx-audio.c | 2 +- drivers/media/usb/em28xx/em28xx-audio.c | 2 +- drivers/media/usb/go7007/snd-go7007.c | 2 +- drivers/media/usb/tm6000/tm6000-alsa.c | 2 +- drivers/media/usb/usbtv/usbtv-audio.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c index 78f3687..e11fe46 100644 --- a/drivers/media/usb/em28xx/em28xx-audio.c +++ b/drivers/media/usb/em28xx/em28xx-audio.c @@ -695,7 +695,7 @@ static int em28xx_cvol_new(struct snd_card *card, struct em28xx *dev, /* * register/unregister code and data */ -static struct snd_pcm_ops snd_em28xx_pcm_capture = { +static const struct snd_pcm_ops snd_em28xx_pcm_capture = { .open = snd_em28xx_capture_open, .close = snd_em28xx_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/drivers/media/usb/go7007/snd-go7007.c b/drivers/media/usb/go7007/snd-go7007.c index d22d7d5..070871f 100644 --- a/drivers/media/usb/go7007/snd-go7007.c +++ b/drivers/media/usb/go7007/snd-go7007.c @@ -198,7 +198,7 @@ static struct page *go7007_snd_pcm_page(struct snd_pcm_substream *substream, return vmalloc_to_page(substream->runtime->dma_area + offset); } -static struct snd_pcm_ops go7007_snd_capture_ops = { +static const struct snd_pcm_ops go7007_snd_capture_ops = { .open = go7007_snd_capture_open, .close = go7007_snd_capture_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/drivers/media/usb/cx231xx/cx231xx-audio.c b/drivers/media/usb/cx231xx/cx231xx-audio.c index 4cd5fa9..8263c4b 100644 --- a/drivers/media/usb/cx231xx/cx231xx-audio.c +++ b/drivers/media/usb/cx231xx/cx231xx-audio.c @@ -635,7 +635,7 @@ static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, return vmalloc_to_page(pageptr); } -static struct snd_pcm_ops snd_cx231xx_pcm_capture = { +static const struct snd_pcm_ops snd_cx231xx_pcm_capture = { .open = snd_cx231xx_capture_open, .close = snd_cx231xx_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/drivers/media/usb/usbtv/usbtv-audio.c b/drivers/media/usb/usbtv/usbtv-audio.c index 1965ff1..9db31db 100644 --- a/drivers/media/usb/usbtv/usbtv-audio.c +++ b/drivers/media/usb/usbtv/usbtv-audio.c @@ -332,7 +332,7 @@ static snd_pcm_uframes_t snd_usbtv_pointer(struct snd_pcm_substream *substream) return chip->snd_buffer_pos; } -static struct snd_pcm_ops snd_usbtv_pcm_ops = { +static const struct snd_pcm_ops snd_usbtv_pcm_ops = { .open = snd_usbtv_pcm_open, .close = snd_usbtv_pcm_close, .ioctl = snd_pcm_lib_ioctl, diff --git a/drivers/media/usb/tm6000/tm6000-alsa.c b/drivers/media/usb/tm6000/tm6000-alsa.c index e21c7aa..f16fbd1 100644 --- a/drivers/media/usb/tm6000/tm6000-alsa.c +++ b/drivers/media/usb/tm6000/tm6000-alsa.c @@ -388,7 +388,7 @@ static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs, /* * operators */ -static struct snd_pcm_ops snd_tm6000_pcm_ops = { +static const struct snd_pcm_ops snd_tm6000_pcm_ops = { .open = snd_tm6000_pcm_open, .close = snd_tm6000_close, .ioctl = snd_pcm_lib_ioctl, -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
