See RH bug #598656. Filed upstream at http://bugs.mysql.com/bug.php?id=54158
-diff -Naur mysql-5.1.47.orig/vio/viosslfactories.c mysql-5.1.47/vio/viosslfactories.c
---- mysql-5.1.47.orig/vio/viosslfactories.c 2010-05-06 11:28:07.000000000 -0400
-+++ mysql-5.1.47/vio/viosslfactories.c 2010-05-26 23:23:46.000000000 -0400
-@@ -106,7 +106,7 @@
- key_file= cert_file;
+--- mysql-8.0.20/vio/viosslfactories.cc~ 2020-03-26 14:31:45.000000000 +0100
++++ mysql-8.0.20/vio/viosslfactories.cc 2020-05-12 18:42:05.355762655 +0200
+@@ -250,7 +250,7 @@ static int vio_set_cert_stuff(SSL_CTX *c
+ if (!key_file && cert_file) key_file = cert_file;
if (cert_file &&
-- SSL_CTX_use_certificate_file(ctx, cert_file, SSL_FILETYPE_PEM) <= 0)
-+ SSL_CTX_use_certificate_chain_file(ctx, cert_file) <= 0)
- {
- *error= SSL_INITERR_CERT;
- DBUG_PRINT("error",("%s from file '%s'", sslGetErrString(*error), cert_file));
-diff -Naur mysql-5.1.47.orig/extra/yassl/src/ssl.cpp mysql-5.1.47/extra/yassl/src/ssl.cpp
---- mysql-5.1.47.orig/extra/yassl/src/ssl.cpp 2010-05-06 11:24:26.000000000 -0400
-+++ mysql-5.1.47/extra/yassl/src/ssl.cpp 2010-05-26 23:29:13.000000000 -0400
-@@ -1606,10 +1606,10 @@
- }
-
-
-- int SSL_CTX_use_certificate_chain_file(SSL_CTX*, const char*)
-+ int SSL_CTX_use_certificate_chain_file(SSL_CTX* ctx, const char* file)
- {
-- // TDOD:
-- return SSL_SUCCESS;
-+ // For the moment, treat like use_certificate_file
-+ return read_file(ctx, file, SSL_FILETYPE_PEM, Cert);
- }
-
-
+- SSL_CTX_use_certificate_file(ctx, cert_file, SSL_FILETYPE_PEM) <= 0) {
++ SSL_CTX_use_certificate_chain_file(ctx, cert_file) <= 0) {
+ *error = SSL_INITERR_CERT;
+ DBUG_PRINT("error",
+ ("%s from file '%s'", sslGetErrString(*error), cert_file));
+