commit e289c404b9d2735fbd67c42086e33c972b46aa33
author Kenny Root <kroot@google.com> Thu Feb 14 11:31:53 2013 -0800
committer Kenny Root <kroot@google.com> Thu Feb 14 11:31:54 2013 -0800
tree 2d79a1bc7c76e7d0bb38c402d70f9776656f3bbd
parent f7c0ee27ad9c92528219312d37cd3555593d3de3

KeyStore: return null instead of empty list

During a failure, return a null value instead of an empty list.

Change-Id: I34763c90eb65b0ed6bbe2757310992541feeb1a8

keystore/IKeystoreService.cpp

diff --git a/keystore/IKeystoreService.cpp b/keystore/IKeystoreService.cpp
index 64d953f..9db6696 100644
--- a/keystore/IKeystoreService.cpp
+++ b/keystore/IKeystoreService.cpp
@@ -655,7 +655,7 @@
                 memcpy(buf, out, outSize);
                 free(out);
             } else {
-                reply->writeInt32(0);
+                reply->writeInt32(-1);
             }
             reply->writeInt32(ret);
             return NO_ERROR;
@@ -698,7 +698,7 @@
                 memcpy(buf, out, outSize);
                 free(out);
             } else {
-                reply->writeInt32(0);
+                reply->writeInt32(-1);
             }
             reply->writeInt32(ret);
             return NO_ERROR;