p2p: reduce the scope of variable dialPubkey (#24385)

dialPubkey isn't used anywhere else after dialDest.Load, so it should be safe to
restrict its scope to the if clause.
This commit is contained in:
zhiqiangxu 2022-02-14 19:05:48 +08:00 committed by qinglin89
parent 788b77115c
commit a1db38af74

@ -976,9 +976,8 @@ func (srv *Server) setupConn(c *conn, flags connFlag, dialDest *enode.Node) erro
} }
// If dialing, figure out the remote public key. // If dialing, figure out the remote public key.
var dialPubkey *ecdsa.PublicKey
if dialDest != nil { if dialDest != nil {
dialPubkey = new(ecdsa.PublicKey) dialPubkey := new(ecdsa.PublicKey)
if err := dialDest.Load((*enode.Secp256k1)(dialPubkey)); err != nil { if err := dialDest.Load((*enode.Secp256k1)(dialPubkey)); err != nil {
err = errors.New("dial destination doesn't have a secp256k1 public key") err = errors.New("dial destination doesn't have a secp256k1 public key")
srv.log.Trace("Setting up connection failed", "addr", c.fd.RemoteAddr(), "conn", c.flags, "err", err) srv.log.Trace("Setting up connection failed", "addr", c.fd.RemoteAddr(), "conn", c.flags, "err", err)