libbinder: empty ping transaction
It came up recently that the libbinder ping transaction uses 4-bytes in
the reply header, but it really only needs to use the binder return
code (how servicemanager did it before when written in C).
Fixes: 137203409
Test: TH
Change-Id: I4555fdba0f80263caa3f3727ef5c5458d160a585
diff --git a/libs/binder/BpBinder.cpp b/libs/binder/BpBinder.cpp
index 67f968a..f35803c 100644
--- a/libs/binder/BpBinder.cpp
+++ b/libs/binder/BpBinder.cpp
@@ -186,10 +186,7 @@
{
Parcel send;
Parcel reply;
- status_t err = transact(PING_TRANSACTION, send, &reply);
- if (err != NO_ERROR) return err;
- if (reply.dataSize() < sizeof(status_t)) return NOT_ENOUGH_DATA;
- return (status_t)reply.readInt32();
+ return transact(PING_TRANSACTION, send, &reply);
}
status_t BpBinder::dump(int fd, const Vector<String16>& args)