[DTV00830781] misc: fix coverity issues

[Description]
Fix mgmt/*

Change-Id: I722e700e60091f77ef34ee8a3189d365ec71a1ed
CR-Id: DTV00830781
Signed-off-by: guo-jie.wang <guo-jie.wang@mediatek.com>
Feature: misc
(cherry picked from commit bc7907eaa838e77bef9f2455fa29e4b40ffe3bf6)
1 file changed