Fix some compilation and habitual thinking errors.

Fix a variable used uninitialized compilation error and an always
true judgement in authorization.

Authored-by: Zhang Wenchao [email protected]

Author: zhangwenchao-123

src/backend/commands/tag.c

@@ -471,7 +471,7 @@ AddTagDescriptions(List *tags,
 		bool	isnull;
 		bool	has_matching_allowed_val;
 		List	*allowed_values;
-		ListCell	*value_cell;
+		ListCell	*value_cell = NULL;
 
 		has_matching_allowed_val = false;
 		def = lfirst(cell);
@@ -871,7 +871,7 @@ transformTagValues(int action, Oid tagId, Datum oldvalues,
 				   List *allowed_values, bool unset)
 {
 	List		*resultValues = untransformTagValues(oldvalues);
-	ListCell	*value_cell;
+	ListCell	*value_cell = NULL;
 	Datum		result;
 
 	Assert(!(resultValues && unset));

src/backend/libpq/auth.c

@@ -395,7 +395,7 @@ auth_failed(Port *port, int status, char *logdetail)
 	account_status = DatumGetInt16(SysCacheGetAttr(AUTHNAME, auth_tuple,
 						Anum_pg_authid_rolaccountstatus, &account_status_isnull));
 	if (enable_password_profile && !authform->rolsuper && authform->rolenableprofile &&
-		(account_status != ROLE_ACCOUNT_STATUS_LOCKED ||
+		(account_status != ROLE_ACCOUNT_STATUS_LOCKED &&
 		 account_status != ROLE_ACCOUNT_STATUS_LOCKED_TIMED))
 		SendLoginFailedSignal(port->user_name);