diff options
Diffstat (limited to 'src/net/http/transport.go')
| -rw-r--r-- | src/net/http/transport.go | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/net/http/transport.go b/src/net/http/transport.go index 6e430b9885..88d15a5919 100644 --- a/src/net/http/transport.go +++ b/src/net/http/transport.go @@ -1531,6 +1531,10 @@ func (pconn *persistConn) addTLS(name string, trace *httptrace.ClientTrace) erro return nil } +type erringRoundTripper interface { + RoundTripErr() error +} + func (t *Transport) dialConn(ctx context.Context, cm connectMethod) (pconn *persistConn, err error) { pconn = &persistConn{ t: t, @@ -1697,9 +1701,9 @@ func (t *Transport) dialConn(ctx context.Context, cm connectMethod) (pconn *pers if s := pconn.tlsState; s != nil && s.NegotiatedProtocolIsMutual && s.NegotiatedProtocol != "" { if next, ok := t.TLSNextProto[s.NegotiatedProtocol]; ok { alt := next(cm.targetAddr, pconn.conn.(*tls.Conn)) - if e, ok := alt.(http2erringRoundTripper); ok { + if e, ok := alt.(erringRoundTripper); ok { // pconn.conn was closed by next (http2configureTransport.upgradeFn). - return nil, e.err + return nil, e.RoundTripErr() } return &persistConn{t: t, cacheKey: pconn.cacheKey, alt: alt}, nil } |