libdvr: Linux Yocto SDK Coverity Check [1/1]

PD#SWPL-172651

Problem:
There are Coverity issues.

Solution:
1. Fix UNUSED_VALUE issues.
2. Fix UNINIT issues.
3. Fix DC.STRING_BUFFER issues.
4. Fix REVERSE_INULL issues.
5. Fix NO_EFFECT issues.

Verify:
Tested pass on ohm

Signed-off-by: Wentao.MA <wentao.ma@amlogic.com>
Change-Id: I9c21100e5b33704059713eed01f47ea584275f79
5 files changed
tree: 08e7187464f8c4966e314f0c472c7f0953bf5965
  1. include/
  2. src/
  3. test/
  4. Android.bp
  5. Android.mk
  6. Doxyfile
  7. LICENSE
  8. Makefile