diff options
Diffstat (limited to 'pkg/tcpip/socketops.go')
| -rw-r--r-- | pkg/tcpip/socketops.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/pkg/tcpip/socketops.go b/pkg/tcpip/socketops.go index b7c2de652..0ea85f9ed 100644 --- a/pkg/tcpip/socketops.go +++ b/pkg/tcpip/socketops.go @@ -601,9 +601,10 @@ func (so *SocketOptions) GetBindToDevice() int32 { return atomic.LoadInt32(&so.bindToDevice) } -// SetBindToDevice sets value for SO_BINDTODEVICE option. +// SetBindToDevice sets value for SO_BINDTODEVICE option. If bindToDevice is +// zero, the socket device binding is removed. func (so *SocketOptions) SetBindToDevice(bindToDevice int32) Error { - if !so.handler.HasNIC(bindToDevice) { + if bindToDevice != 0 && !so.handler.HasNIC(bindToDevice) { return &ErrUnknownDevice{} } |