check file exists

Change-Id: Ibe0197537bd8e74f7098cd01bae3ffc1dbf134e9

diff --git a/Superuser/src/com/koushikdutta/superuser/MainActivity.java b/Superuser/src/com/koushikdutta/superuser/MainActivity.java
index 4b96023..3454049 100644 (file)
--- a/Superuser/src/com/koushikdutta/superuser/MainActivity.java
+++ b/Superuser/src/com/koushikdutta/superuser/MainActivity.java
@@ -88,6 +88,8 @@ public class MainActivity extends BetterListActivity {
                     zout.close();
 
                     final File libsu = new File(getApplicationInfo().dataDir, "lib/libsu.so");
+                    if (!libsu.exists())
+                        throw new Exception(libsu.getAbsolutePath() + " not found");
 
                     String command =
                             String.format("cat %s > /cache/superuser.zip\n", zip.getAbsolutePath()) +