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platform/x86: dell-dcdbase: Replace snprintf in show functions with sysfs_emit

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show() must not use snprintf() when formatting the value to be
returned to user space.

Signed-off-by: Hongling Zeng <zenghongling@kylinos.cn>
Link: https://lore.kernel.org/r/20241022030500.9986-1-zenghongling@kylinos.cn
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Hongling Zeng 2024-10-22 11:05:00 +08:00 committed by Ilpo Järvinen
parent 90a7d74860
commit 81e2cc3688
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GPG Key ID: 59AC4F6153E5CE31
1 changed files with 6 additions and 5 deletions
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11
drivers/platform/x86/dell/dcdbas.c
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@ -29,6 +29,7 @@
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include <linux/mutex.h>
@ -132,14 +133,14 @@ static ssize_t smi_data_buf_phys_addr_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
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 +201,7 @@ 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 +225,7 @@ 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 +240,7 @@ 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,