batteryservice: Native client read exception returned from getProperty

C++ binder client for IBatteryPropertiesRegistrar interface getProperty method
fails to read the exception code returned by the server.  Add the missing read of the exception code.

Bug: 11985952
Change-Id: I8a9b145160aafbcf9976e6c5ba9fcb883126a5e3

1 files changed, 5 insertions, 1 deletions

diff --git a/services/batteryservice/IBatteryPropertiesRegistrar.cpp b/services/batteryservice/IBatteryPropertiesRegistrar.cpp
index 6647122..296bfab 100644
--- a/services/batteryservice/IBatteryPropertiesRegistrar.cpp
+++ b/services/batteryservice/IBatteryPropertiesRegistrar.cpp
@@ -50,7 +50,11 @@ public:
             data.writeInterfaceToken(IBatteryPropertiesRegistrar::getInterfaceDescriptor());
             data.writeInt32(id);
             remote()->transact(GET_PROPERTY, data, &reply);
-            status_t ret = reply.readInt32();
+            int32_t ret = reply.readExceptionCode();
+            if (ret != 0) {
+                return ret;
+            }
+            ret = reply.readInt32();
             int parcelpresent = reply.readInt32();
             if (parcelpresent)
                 val->readFromParcel(&reply);