| Message ID | 20170707235844.GA7146@embeddedgus (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c index 8f2d137..cf3f0ca 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c @@ -517,7 +517,7 @@ static snd_pcm_uframes_t dw_hdmi_pointer(struct snd_pcm_substream *substream) return bytes_to_frames(runtime, dw->buf_offset); } -static struct snd_pcm_ops snd_dw_hdmi_ops = { +static const struct snd_pcm_ops snd_dw_hdmi_ops = { .open = dw_hdmi_open, .close = dw_hdmi_close, .ioctl = snd_pcm_lib_ioctl,
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. This issue was detected using Coccinelle and the following semantic patch: @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 = { ... }; Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)