1 files changed, 8 insertions, 9 deletions

diff --git a/src/regress/lib/libtls/gotls/tls.go b/src/regress/lib/libtls/gotls/tls.go
index 88d58ab33b..4ce92eaef8 100644
--- a/src/regress/lib/libtls/gotls/tls.go
+++ b/src/regress/lib/libtls/gotls/tls.go
@@ -14,7 +14,6 @@ import "C"
 
 import (
         "errors"
-        "fmt"
         "time"
         "unsafe"
 )
@@ -106,11 +105,11 @@ func NewClient(config *TLSConfig) (*TLS, error) {
 }
 
 // Error returns the error message from the TLS context.
-func (t *TLS) Error() string {
+func (t *TLS) Error() error {
         if msg := C.tls_error(t.ctx); msg != nil {
-                return C.GoString(msg)
+                return errors.New(C.GoString(msg))
         }
-        return ""
+        return errors.New("unknown error")
 }
 
 // PeerCertProvided returns whether the peer provided a certificate.
@@ -203,7 +202,7 @@ func (t *TLS) Connect(host, port string) error {
         defer C.free(unsafe.Pointer(h))
         defer C.free(unsafe.Pointer(p))
         if C.tls_connect(t.ctx, h, p) != 0 {
-                return fmt.Errorf("connect failed: %v", t.Error())
+                return t.Error()
         }
         return nil
 }
@@ -217,7 +216,7 @@ func (t *TLS) Handshake() error {
         case ret == C.TLS_WANT_POLLOUT:
                 return errWantPollOut
         case ret != 0:
-                return fmt.Errorf("handshake failed: %v", t.Error())
+                return t.Error()
         }
         return nil
 }
@@ -231,7 +230,7 @@ func (t *TLS) Read(buf []byte) (int, error) {
         case ret == C.TLS_WANT_POLLOUT:
                 return -1, errWantPollOut
         case ret < 0:
-                return -1, fmt.Errorf("read failed: %v", t.Error())
+                return -1, t.Error()
         }
         return int(ret), nil
 }
@@ -247,7 +246,7 @@ func (t *TLS) Write(buf []byte) (int, error) {
         case ret == C.TLS_WANT_POLLOUT:
                 return -1, errWantPollOut
         case ret < 0:
-                return -1, fmt.Errorf("write failed: %v", t.Error())
+                return -1, t.Error()
         }
         return int(ret), nil
 }
@@ -261,7 +260,7 @@ func (t *TLS) Close() error {
         case ret == C.TLS_WANT_POLLOUT:
                 return errWantPollOut
         case ret != 0:
-                return fmt.Errorf("close failed: %v", t.Error())
+                return t.Error()
         }
         return nil
 }