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Commit 63b712dc authored by Steven Moreland's avatar Steven Moreland Committed by Automerger Merge Worker
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Merge "libbinder: disallow upgrade of explicit version" am: a588da3e am:... 

Merge "libbinder: disallow upgrade of explicit version" am: a588da3e am: e326a110 am: 2e1c1d43

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1783312

Change-Id: I5142926e96edfb5dbf52f21e60de58f215168bb2
parents 4fea0ff0 2e1c1d43

libs/binder/RpcSession.cpp

+6 −0
Original line number Diff line number Diff line
@@ -87,6 +87,12 @@ bool RpcSession::setProtocolVersion(uint32_t version) { 
    }



    std::lock_guard<std::mutex> _l(mMutex);

    if (mProtocolVersion && version > *mProtocolVersion) {

        ALOGE("Cannot upgrade explicitly capped protocol version %u to newer version %u",

              *mProtocolVersion, version);

        return false;

    }



    mProtocolVersion = version;

    return true;

}