diff options
Diffstat (limited to 'ipn/message.go')
| -rw-r--r-- | ipn/message.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ipn/message.go b/ipn/message.go index d8b7d1396..fb5638eca 100644 --- a/ipn/message.go +++ b/ipn/message.go @@ -104,7 +104,9 @@ func NewBackendServer(logf logger.Logf, b Backend, sendNotifyMsg func(Notify)) * b: b, sendNotifyMsg: sendNotifyMsg, } - if sendNotifyMsg != nil { + // b may be nil if the BackendServer is being created just to + // encapsulate and send an error message. + if sendNotifyMsg != nil && b != nil { b.SetNotifyCallback(bs.send) } return bs |