[Coverity] resolve coverity issues

[Coverity] resolve coverity issues

This pull request aims to resolve various Coverity issues.
The following warning group IDs are addressed:

Warning Group ID
- #1832819
- #1833528
- #1834338
- #1837520
- #1839030
- #1841393
- #1837925
- #1838882
- #1839129
- #1839950
- #1840581
- #1840832

**Self-evaluation:**
1. Build test: [X]Passed [ ]Failed [ ]Skipped
2. Run test:   [X]Passed [ ]Failed [ ]Skipped

Change-Id: I74a843793789b60c476d831bd53ce085e69cd163
Signed-off-by: Donghyeon Jeong <dhyeon.jeong@samsung.com>