Coverity found a Quality issue: Missing unlock

Details:

Coverity Issue ID: 185132
Issue Description: Missing a release of a lock on a path
Potential Impact: May result in deadlock if there is another attempt to acquire the lock.
Coverity checker: LOCK
Branch: master
File path: /src/mongo/db/transaction/session_catalog_mongod_transaction_interface_impl.cpp
Line number: Unknown

What Coverity Detected (Main Finding)

Returning without unlocking "opCtx->_client".

The issue can be viewed in Coverity here.

How do I fix this?

Refer to https://wiki.corp.mongodb.com/spaces/HGTC/pages/385852267/Guidance+on+fixing+Coverity+issues for guidance on fixing Coverity issues.

This is a false positive, what do I do?

Follow the process outlined in go/vuln-flow