/* simple plausibility checks for given keys */
if ((rule.sysfs_pair[0].name[0] == '\0') ^
(rule.sysfs_pair[0].value[0] == '\0')) {
/* simple plausibility checks for given keys */
if ((rule.sysfs_pair[0].name[0] == '\0') ^
(rule.sysfs_pair[0].value[0] == '\0')) {