Bug #34909: mysqldump returns a 0 status on error when using

--master-data

No error code was returned by mysqldump if it detects that binary
logging is not enabled on the server.
Fixed by returning error code.

client/mysqldump.c

@@ -3285,6 +3285,7 @@ static int do_show_master_status(MYSQL *mysql_con)
       my_printf_error(0, "Error: Binlogging on server not active",
                       MYF(0));
       mysql_free_result(master);
+      maybe_exit(EX_MYSQLERR);
       return 1;
     }
     mysql_free_result(master);

mysql-test/r/mysqldump-no-binlog.result

@@ -0,0 +1 @@
+mysqldump: Error: Binlogging on server not active

mysql-test/t/mysqldump-no-binlog-master.opt

@@ -0,0 +1 @@
+--skip-log-bin

mysql-test/t/mysqldump-no-binlog.test

@@ -0,0 +1,6 @@
+# Embedded server doesn't support external clients
+--source include/not_embedded.inc
+
+--replace_regex /MASTER_LOG_POS=[0-9]+/XX/
+--error 2
+--exec $MYSQL_DUMP --compact --master-data=2 test 2>&1