thermal: sysfs: Replace snprintf() with strscpy() in policy_store()

There is no need to use snprintf() with a format specifier to copy 'buf'
to 'name'; use strscpy() directly instead.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
[ rjw: Subject and changelog tweaks ]
Link: https://patch.msgid.link/20260112174901.767434-1-thorsten.blum@linux.dev
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: toblux

drivers/thermal/thermal_sysfs.c

@@ -199,7 +199,7 @@ policy_store(struct device *dev, struct device_attribute *attr,
 	char name[THERMAL_NAME_LENGTH];
 	int ret;
 
-	snprintf(name, sizeof(name), "%s", buf);
+	strscpy(name, buf);
 
 	ret = thermal_zone_device_set_policy(tz, name);
 	if (!ret)