diff options
Diffstat (limited to 'pkg/tcpip/stack/stack.go')
| -rw-r--r-- | pkg/tcpip/stack/stack.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/tcpip/stack/stack.go b/pkg/tcpip/stack/stack.go index b793f1d74..6eac16e16 100644 --- a/pkg/tcpip/stack/stack.go +++ b/pkg/tcpip/stack/stack.go @@ -890,6 +890,15 @@ func (s *Stack) CreateNICWithOptions(id tcpip.NICID, ep LinkEndpoint, opts NICOp return tcpip.ErrDuplicateNICID } + // Make sure name is unique, unless unnamed. + if opts.Name != "" { + for _, n := range s.nics { + if n.Name() == opts.Name { + return tcpip.ErrDuplicateNICID + } + } + } + n := newNIC(s, id, opts.Name, ep, opts.Context) s.nics[id] = n |