diff --git a/mysql-test/r/rpl_sp.result b/mysql-test/r/rpl_sp.result
index dd85d932c66..f3754f650fb 100644
--- a/mysql-test/r/rpl_sp.result
+++ b/mysql-test/r/rpl_sp.result
@@ -468,4 +468,24 @@ drop table t1;
 set global log_bin_trust_function_creators=0;
 set global log_bin_trust_function_creators=0;
 End of 5.0 tests
+drop database if exists mysqltest;
+drop database if exists mysqltest2;
+create database mysqltest;
+create database mysqltest2;
+use mysqltest2;
+create table t ( t integer );
+create procedure mysqltest.test() begin end;
+insert into t values ( 1 );
+show binlog events in 'master-bin.000001' from 8657;
+Log_name	Pos	Event_type	Server_id	End_log_pos	Info
+master-bin.000001	8657	Query	1	8760	drop database if exists mysqltest2
+master-bin.000001	8760	Query	1	8853	create database mysqltest
+master-bin.000001	8853	Query	1	8948	create database mysqltest2
+master-bin.000001	8948	Query	1	9045	use `mysqltest2`; create table t ( t integer )
+master-bin.000001	9045	Query	1	9184	use `mysqltest2`; CREATE DEFINER=`root`@`localhost` procedure mysqltest.test() begin end
+master-bin.000001	9184	Query	1	9279	use `mysqltest2`; insert into t values ( 1 )
+create procedure `\\`.test() begin end;
+ERROR 42000: Unknown database '\\'
+drop database mysqltest;
+drop database mysqltest2;
 End of 5.1 tests
diff --git a/mysql-test/t/rpl_sp.test b/mysql-test/t/rpl_sp.test
index 4ee3338ad01..2f0d04eff35 100644
--- a/mysql-test/t/rpl_sp.test
+++ b/mysql-test/t/rpl_sp.test
@@ -528,4 +528,26 @@ connection master;
 set global log_bin_trust_function_creators=0;
 --echo End of 5.0 tests
 
+#
+# Bug22043: MySQL don't add "USE <DATABASE>" before "DROP PROCEDURE IF EXISTS"
+#
+connection master;
+--disable_warnings
+drop database if exists mysqltest;
+drop database if exists mysqltest2;
+--enable_warnings
+create database mysqltest;
+create database mysqltest2;
+use mysqltest2;
+create table t ( t integer );
+create procedure mysqltest.test() begin end;
+insert into t values ( 1 );
+show binlog events in 'master-bin.000001' from 8657;
+--error ER_BAD_DB_ERROR
+create procedure `\\`.test() begin end;
+# Clean up
+drop database mysqltest;
+drop database mysqltest2;
+
 --echo End of 5.1 tests
+
diff --git a/sql/sp.cc b/sql/sp.cc
index 45a177d3e7a..9e53aff742e 100644
--- a/sql/sp.cc
+++ b/sql/sp.cc
@@ -497,17 +497,10 @@ db_create_routine(THD *thd, int type, sp_head *sp)
   char definer[USER_HOST_BUFF_SIZE];
   char old_db_buf[NAME_LEN+1];
   LEX_STRING old_db= { old_db_buf, sizeof(old_db_buf) };
-  bool dbchanged;
   DBUG_ENTER("db_create_routine");
   DBUG_PRINT("enter", ("type: %d name: %.*s",type,sp->m_name.length,
                        sp->m_name.str));
 
-  if ((ret= sp_use_new_db(thd, sp->m_db, &old_db, 0, &dbchanged)))
-  {
-    ret= SP_NO_DB_ERROR;
-    goto done;
-  }
-
   if (!(table= open_proc_table_for_update(thd)))
     ret= SP_OPEN_TABLE_FAILED;
   else
@@ -631,8 +624,6 @@ db_create_routine(THD *thd, int type, sp_head *sp)
 
 done:
   close_thread_tables(thd);
-  if (dbchanged)
-    (void) mysql_change_db(thd, old_db.str, 1);
   DBUG_RETURN(ret);
 }
 
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 9233ccd747e..b95ff4dda84 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -4384,6 +4384,30 @@ end_with_restore_list:
     DBUG_ASSERT(lex->sphead != 0);
     DBUG_ASSERT(lex->sphead->m_db.str); /* Must be initialized in the parser */
 
+    /*
+      Verify that the database name is allowed, optionally
+      lowercase it.
+    */
+    if (check_db_name(lex->sphead->m_db.str))
+    {
+      my_error(ER_WRONG_DB_NAME, MYF(0), lex->sphead->m_db.str);
+      delete lex->sphead;
+      lex->sphead= 0;
+      goto error;
+    }
+
+    /*
+      Check that a database with this name
+      exists.
+    */
+    if (check_db_dir_existence(lex->sphead->m_db.str))
+    {
+      my_error(ER_BAD_DB_ERROR, MYF(0), lex->sphead->m_db.str);
+      delete lex->sphead;
+      lex->sphead= 0;
+      goto error;
+    }
+
     if (check_access(thd, CREATE_PROC_ACL, lex->sphead->m_db.str, 0, 0, 0,
                      is_schema_db(lex->sphead->m_db.str)))
     {