[DTV00857290][[DTV][Coverity Scanned Code Defect] 15367: Out-of-bounds write]

[Description]
Fix coverity issues under mgmt/

Fix CID69928 "Dereference after null check" issue.

Change-Id: Ide40444d48f1600a7a19c9efc1b956d99e06c6a2
Signed-off-by: Awk Jiang <awk.jiang@mediatek.com>
CR-Id: DTV00857290
Feature: misc
(cherry picked from commit 3173844a09525f54eef7dc479a3504bf8164ad26)
1 file changed