[LU-14665] simplify lnet_ni_add_interface

• Type: Improvement
• Resolution: Fixed
• Priority: Trivial
• Fix Version/s: Lustre 2.15.0
• Labels: llnl llnlfixready
• Assignee: Olaf Faaland
• Reporter: Olaf Faaland

Description

The function increments a counter if (ni->ni_interface != NULL) and then checks the counter to decide whether to exit with an error. The counter isn't used anywhere else. The comment is also next to the wrong code.