Frameworks/base: Check before foreach in Script

According to the if below, ains == null is potentially valid. But
the foreach loop would throw a NullPointerException.

Change-Id: I4460fb1357eaa3abfe0ab9a21effb608f474ab51

1 files changed, 4 insertions, 2 deletions

diff --git a/rs/java/android/renderscript/Script.java b/rs/java/android/renderscript/Script.java
index d352130..83aeedd 100644
--- a/rs/java/android/renderscript/Script.java
+++ b/rs/java/android/renderscript/Script.java
@@ -239,8 +239,10 @@ public class Script extends BaseObj {
                            FieldPacker v, LaunchOptions sc) {
         // TODO: Is this necessary if nScriptForEach calls validate as well?
         mRS.validate();
-        for (Allocation ain : ains) {
-          mRS.validateObject(ain);
+        if (ains != null) {
+            for (Allocation ain : ains) {
+                mRS.validateObject(ain);
+            }
         }
         mRS.validateObject(aout);