+static int find_sysfs_attribute(struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_device,
+ const char *name, char *value, size_t len)
+{
+ struct sysfs_attribute *tmpattr;
+
+ dbg("look for device attribute '%s'", name);
+ if (class_dev) {
+ tmpattr = sysfs_get_classdev_attr(class_dev, name);
+ if (tmpattr)
+ goto attr_found;
+ }
+ if (sysfs_device) {
+ tmpattr = sysfs_get_device_attr(sysfs_device, name);
+ if (tmpattr)
+ goto attr_found;
+ }
+
+ return -1;
+
+attr_found:
+ strlcpy(value, tmpattr->value, len);
+ remove_trailing_char(value, '\n');
+
+ dbg("found attribute '%s'", tmpattr->path);
+ return 0;
+}
+