Adaptor: Fix Klocwork issues

Adaptor: Fix Klocwork issues

[Problem] Klocwork issues

[Cause] 1. Data member not initialized in the constructor or non-used data member
        2. Floating point expression is test for equality
        3. Constant condition in conditional expression
        4. Memory leak
        5. syntax shortcuts: variable used twice in one expression where one usage is subject to side-effects
        6. Unreachable code

[Solution]

Change-Id: I815b8d9ae73c6bc08b807d898e197db90c6c08a4