2022-11-09 14:48:39

by Yang Yang

[permalink] [raw]
Subject: [PATCH linux-next] ACPI: sysfs: use sysfs_emit() to instead of scnprintf()

From: Xu Panda <[email protected]>

Replace scnprintf() with sysfs_emit() to simplify the code.

Reported-by: Zeal Robot <[email protected]>
Signed-off-by: Xu Panda <[email protected]>
Signed-off-by: Yang Yang <[email protected]>
---
drivers/acpi/sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 2d81c742e4d2..e6fe1c02a138 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -198,7 +198,7 @@ static int param_set_trace_method_name(const char *val,

static int param_get_trace_method_name(char *buffer, const struct kernel_param *kp)
{
- return scnprintf(buffer, PAGE_SIZE, "%s\n", acpi_gbl_trace_method_name);
+ return sysfs_emit(buffer, "%s\n", acpi_gbl_trace_method_name);
}

static const struct kernel_param_ops param_ops_trace_method = {
--
2.15.2


2022-11-10 19:57:07

by Rafael J. Wysocki

[permalink] [raw]
Subject: Re: [PATCH linux-next] ACPI: sysfs: use sysfs_emit() to instead of scnprintf()

On Wed, Nov 9, 2022 at 2:25 PM <[email protected]> wrote:
>
> From: Xu Panda <[email protected]>
>
> Replace scnprintf() with sysfs_emit() to simplify the code.
>
> Reported-by: Zeal Robot <[email protected]>
> Signed-off-by: Xu Panda <[email protected]>
> Signed-off-by: Yang Yang <[email protected]>
> ---
> drivers/acpi/sysfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
> index 2d81c742e4d2..e6fe1c02a138 100644
> --- a/drivers/acpi/sysfs.c
> +++ b/drivers/acpi/sysfs.c
> @@ -198,7 +198,7 @@ static int param_set_trace_method_name(const char *val,
>
> static int param_get_trace_method_name(char *buffer, const struct kernel_param *kp)
> {
> - return scnprintf(buffer, PAGE_SIZE, "%s\n", acpi_gbl_trace_method_name);
> + return sysfs_emit(buffer, "%s\n", acpi_gbl_trace_method_name);
> }
>
> static const struct kernel_param_ops param_ops_trace_method = {
> --

Applied as 6.2 material, thanks!