WifiService: allow EAP variables to be unset using empty strings.
diff --git a/services/java/com/android/server/WifiService.java b/services/java/com/android/server/WifiService.java
index d5de1f0..7951fb7 100644
--- a/services/java/com/android/server/WifiService.java
+++ b/services/java/com/android/server/WifiService.java
@@ -923,7 +923,7 @@
String value = field.value();
if (value != null) {
if (field != config.eap) {
- value = convertToQuotedString(value);
+ value = (value.length() == 0) ? "NULL" : convertToQuotedString(value);
}
if (!WifiNative.setNetworkVariableCommand(
netId,