Re: [PATCH] platform/x86: dell-dcdbase: Replace snprintf in show functions with sysfs_emit
From: Ilpo Järvinen
Date: Mon Oct 21 2024 - 06:58:19 EST
On Mon, 21 Oct 2024, Hongling Zeng wrote:
> show() must not use snprintf() when formatting the value to be
Please remove the extra spaces.
> returned to user space
Missing .
> Signed-off-by: Hongling Zeng <zenghongling@xxxxxxxxxx>
> ---
> drivers/platform/x86/dell/dcdbas.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/platform/x86/dell/dcdbas.c b/drivers/platform/x86/dell/dcdbas.c
> index a60e350..143fd0a 100644
> --- a/drivers/platform/x86/dell/dcdbas.c
> +++ b/drivers/platform/x86/dell/dcdbas.c
> @@ -132,14 +132,14 @@ static ssize_t smi_data_buf_phys_addr_show(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> {
Add #include <linux/sysfs.h> (I did this for you in the other patch when
I realized it's missing).
Once you've fixed those 3 issues mentioned above, please send v2.
--
i.
> - return sprintf(buf, "%x\n", (u32)smi_buf.dma);
> + return sysfs_emit(buf, "%x\n", (u32)smi_buf.dma);
> }
>
> static ssize_t smi_data_buf_size_show(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> {
> - return sprintf(buf, "%lu\n", smi_buf.size);
> + return sysfs_emit(buf, "%lu\n", smi_buf.size);
> }
>
> static ssize_t smi_data_buf_size_store(struct device *dev,
> @@ -200,7 +200,7 @@ static ssize_t host_control_action_show(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> {
> - return sprintf(buf, "%u\n", host_control_action);
> + return sysfs_emit(buf, "%u\n", host_control_action);
> }
>
> static ssize_t host_control_action_store(struct device *dev,
> @@ -224,7 +224,7 @@ static ssize_t host_control_smi_type_show(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> {
> - return sprintf(buf, "%u\n", host_control_smi_type);
> + return sysfs_emit(buf, "%u\n", host_control_smi_type);
> }
>
> static ssize_t host_control_smi_type_store(struct device *dev,
> @@ -239,7 +239,7 @@ static ssize_t host_control_on_shutdown_show(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> {
> - return sprintf(buf, "%u\n", host_control_on_shutdown);
> + return sysfs_emit(buf, "%u\n", host_control_on_shutdown);
> }
>
> static ssize_t host_control_on_shutdown_store(struct device *dev,
>