As Documentation/filesystems/sysfs.rst suggested,
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.
Signed-off-by: yunshui <jiangyunshui@xxxxxxxxxx>
Signed-off-by: Ai Chao <aichao@xxxxxxxxxx>
---
drivers/platform/x86/thinkpad_acpi.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 82429e59999d..1ed27fc21a7d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -817,7 +817,7 @@ static int __init setup_acpi_notify(struct ibm_struct *ibm)
}
ibm->acpi->device->driver_data = ibm;
- sprintf(acpi_device_class(ibm->acpi->device), "%s/%s",
+ sysfs_emit(acpi_device_class(ibm->acpi->device), "%s/%s",
TPACPI_ACPI_EVENT_PREFIX,
ibm->name);
@@ -857,7 +857,7 @@ static int __init register_tpacpi_subdriver(struct ibm_struct *ibm)
return -ENOMEM;
}
- sprintf(ibm->acpi->driver->name, "%s_%s", TPACPI_NAME, ibm->name);
+ sysfs_emit(ibm->acpi->driver->name, "%s_%s", TPACPI_NAME, ibm->name);
ibm->acpi->driver->ids = ibm->acpi->hid;
ibm->acpi->driver->ops.add = &tpacpi_device_add;
@@ -2679,7 +2679,7 @@ static ssize_t hotkey_bios_enabled_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "0\n");
+ return sysfs_emit(buf, "0\n");
}
static DEVICE_ATTR_RO(hotkey_bios_enabled);
@@ -9789,7 +9789,7 @@ static ssize_t tpacpi_battery_show(int what,
battery = BAT_PRIMARY;
if (tpacpi_battery_get(what, battery, &ret))
return -ENODEV;
- return sprintf(buf, "%d\n", ret);
+ return sysfs_emit(buf, "%d\n", ret);
}
static ssize_t charge_control_start_threshold_show(struct device *device,
--
2.34.1
