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SubjectRe: [PATCH] fpga: dfl: fme: Constify static attribute_group structs
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On 1/8/21 3:54 PM, Rikard Falkeborn wrote:
> The only usage of these is to put their addresses in arrays of pointers
> to const attribute_groups. Make them const to allow the compiler to put
> them in read-only memory.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
> ---
> drivers/fpga/dfl-fme-perf.c | 6 +++---

This looks ok.

There are other 'static struct's in drivers/fpga.

Why is the change limited to this file ?

Tom

> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c
> index 531266287eee..4299145ef347 100644
> --- a/drivers/fpga/dfl-fme-perf.c
> +++ b/drivers/fpga/dfl-fme-perf.c
> @@ -192,7 +192,7 @@ static struct attribute *fme_perf_cpumask_attrs[] = {
> NULL,
> };
>
> -static struct attribute_group fme_perf_cpumask_group = {
> +static const struct attribute_group fme_perf_cpumask_group = {
> .attrs = fme_perf_cpumask_attrs,
> };
>
> @@ -225,7 +225,7 @@ static struct attribute *fme_perf_format_attrs[] = {
> NULL,
> };
>
> -static struct attribute_group fme_perf_format_group = {
> +static const struct attribute_group fme_perf_format_group = {
> .name = "format",
> .attrs = fme_perf_format_attrs,
> };
> @@ -239,7 +239,7 @@ static struct attribute *fme_perf_events_attrs_empty[] = {
> NULL,
> };
>
> -static struct attribute_group fme_perf_events_group = {
> +static const struct attribute_group fme_perf_events_group = {
> .name = "events",
> .attrs = fme_perf_events_attrs_empty,
> };

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