Fix coverity issues

[xfreid]

Problem solved by the commit

CID 361819: Resource leak CID 361824: Resource leak CID 361822:Unused value

Bug / issue (if any) fixed, which PR introduced the bug, how it was discovered

discovered by coverity scan

How problem was solved, alternative solutions (if any) and why they were rejected

CID 361819: make sure file handle fp is always released CID 361824: make sure data is released even when an invalid PDI file is passed in CID 361822: comment out the unused assignment for DestAddr

Risks (if any) associated the changes in the commit

None

What has been tested and how, request additional testing if necessary

None

Documentation impact (if any)

None

[gbuildx]

Can one of the admins verify this patch?

[gbuildx]

Can one of the admins verify this patch?