1 files changed, 3 insertions, 0 deletions
diff --git a/core/java/android/content/SyncRequest.java b/core/java/android/content/SyncRequest.java
index 201a8b3..db88680 100644
--- a/core/java/android/content/SyncRequest.java
+++ b/core/java/android/content/SyncRequest.java
@@ -454,6 +454,9 @@ public class SyncRequest implements Parcelable {
             if (mSyncTarget != SYNC_TARGET_UNKNOWN) {
                 throw new IllegalArgumentException("Sync target has already been defined.");
             }
+            if (authority != null && authority.length() == 0) {
+                throw new IllegalArgumentException("Authority must be non-empty");
+            }
             mSyncTarget = SYNC_TARGET_ADAPTER;
             mAccount = account;
             mAuthority = authority;