Fix potential NPE in telephony registry dumpsys.

There is no guarantee that mImsCallDisconnectCause will be non-null, so
we should not be calling toString here.

Test: Compile/build
Fixes: 129251351
Change-Id: I8b983ce8fa7f5316bc474ffbd67052ae0df4d75d

diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index e78ae55..d7686ae 100644 (file)
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -1883,7 +1883,7 @@ public class TelephonyRegistry extends ITelephonyRegistry.Stub {
                 pw.println("mDataConnectionState=" + mDataConnectionState[i]);
                 pw.println("mCellLocation=" + mCellLocation[i]);
                 pw.println("mCellInfo=" + mCellInfo.get(i));
-                pw.println("mImsCallDisconnectCause=" + mImsReasonInfo.get(i).toString());
+                pw.println("mImsCallDisconnectCause=" + mImsReasonInfo.get(i));
                 pw.decreaseIndent();
             }
             pw.println("mCallNetworkType=" + mCallNetworkType);