| Message ID | 20170706200517.GA5886@embeddedgus (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Acked-by: Hugues Fruchet <hugues.fruchet@st.com> On 07/06/2017 10:05 PM, Gustavo A. R. Silva wrote: > Check for vb2_ops structures that are only stored in the ops field of a > vb2_queue structure. That field is declared const, so vb2_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 vb2_ops i@p = { ... }; > > @ok@ > identifier r.i; > struct vb2_queue e; > position p; > @@ > e.ops = &i@p; > > @bad@ > position p != {r.p,ok.p}; > identifier r.i; > struct vb2_ops e; > @@ > e@i@p > > @depends on !bad disable optional_qualifier@ > identifier r.i; > @@ > static > +const > struct vb2_ops i = { ... }; > > Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> > --- > drivers/media/platform/stm32/stm32-dcmi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c > index 83d32a5..24ef888 100644 > --- a/drivers/media/platform/stm32/stm32-dcmi.c > +++ b/drivers/media/platform/stm32/stm32-dcmi.c > @@ -662,7 +662,7 @@ static void dcmi_stop_streaming(struct vb2_queue *vq) > dcmi->errors_count, dcmi->buffers_count); > } > > -static struct vb2_ops dcmi_video_qops = { > +static const struct vb2_ops dcmi_video_qops = { > .queue_setup = dcmi_queue_setup, > .buf_init = dcmi_buf_init, > .buf_prepare = dcmi_buf_prepare, >
On 07/07/2017 09:33 AM, Hugues FRUCHET wrote: > Acked-by: Hugues Fruchet <hugues.fruchet@st.com> Thank you, Hugues. > On 07/06/2017 10:05 PM, Gustavo A. R. Silva wrote: >> Check for vb2_ops structures that are only stored in the ops field of a >> vb2_queue structure. That field is declared const, so vb2_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 vb2_ops i@p = { ... }; >> >> @ok@ >> identifier r.i; >> struct vb2_queue e; >> position p; >> @@ >> e.ops = &i@p; >> >> @bad@ >> position p != {r.p,ok.p}; >> identifier r.i; >> struct vb2_ops e; >> @@ >> e@i@p >> >> @depends on !bad disable optional_qualifier@ >> identifier r.i; >> @@ >> static >> +const >> struct vb2_ops i = { ... }; >> >> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> >> --- >> drivers/media/platform/stm32/stm32-dcmi.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c >> index 83d32a5..24ef888 100644 >> --- a/drivers/media/platform/stm32/stm32-dcmi.c >> +++ b/drivers/media/platform/stm32/stm32-dcmi.c >> @@ -662,7 +662,7 @@ static void dcmi_stop_streaming(struct vb2_queue *vq) >> dcmi->errors_count, dcmi->buffers_count); >> } >> >> -static struct vb2_ops dcmi_video_qops = { >> +static const struct vb2_ops dcmi_video_qops = { >> .queue_setup = dcmi_queue_setup, >> .buf_init = dcmi_buf_init, >> .buf_prepare = dcmi_buf_prepare,
diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c index 83d32a5..24ef888 100644 --- a/drivers/media/platform/stm32/stm32-dcmi.c +++ b/drivers/media/platform/stm32/stm32-dcmi.c @@ -662,7 +662,7 @@ static void dcmi_stop_streaming(struct vb2_queue *vq) dcmi->errors_count, dcmi->buffers_count); } -static struct vb2_ops dcmi_video_qops = { +static const struct vb2_ops dcmi_video_qops = { .queue_setup = dcmi_queue_setup, .buf_init = dcmi_buf_init, .buf_prepare = dcmi_buf_prepare,
Check for vb2_ops structures that are only stored in the ops field of a vb2_queue structure. That field is declared const, so vb2_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 vb2_ops i@p = { ... }; @ok@ identifier r.i; struct vb2_queue e; position p; @@ e.ops = &i@p; @bad@ position p != {r.p,ok.p}; identifier r.i; struct vb2_ops e; @@ e@i@p @depends on !bad disable optional_qualifier@ identifier r.i; @@ static +const struct vb2_ops i = { ... }; Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> --- drivers/media/platform/stm32/stm32-dcmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)