-

diff --git a/src/crypto/tls/conn.go b/src/crypto/tls/conn.go
index 0377568..c989cd2 100644
--- a/src/crypto/tls/conn.go
+++ b/src/crypto/tls/conn.go
@@ -774,6 +774,9 @@ func (c *Conn) writeRecord(typ recordType, data []byte) (n int, err error) {
 		data = data[m:]
 	}
 	c.out.freeBlock(b)
+	if err != nil {
+		return err
+	}
 
 	if typ == recordTypeChangeCipherSpec {
 		err = c.out.changeCipherSpec()