ACPI: sysfs: use sysfs_emit() to instead of scnprintf()

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

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 2d81c742e4d2d57f2ab2382b1cb73dbc7786066c..7db3b530279bd531d6a1c31705a648bb9ad51ab4 100644 (file)
--- 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 = {