device: return errors from ipc scanner

The code as written will drop any read errors on the floor.
Fix that.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/device/uapi.go b/device/uapi.go
index 370ad4e..dbb60b6 100644
--- a/device/uapi.go
+++ b/device/uapi.go
@@ -393,7 +393,7 @@ func (device *Device) IpcSetOperation(r io.Reader) error {
 		}
 	}
 
-	return nil
+	return scanner.Err()
 }
 
 func (device *Device) IpcGet() (string, error) {