merchant

commit 4dd2fd82dd8dc24dd53f33cb3d48da175ed90108
parent 7a15471662045d18606ea60f37a5818c0781582f
Author: Florian Dold <florian.dold@gmail.com>
Date:   Mon, 26 Aug 2019 00:12:19 +0200

non-existing session info is not supposed to be an error

Diffstat:
M
src/backend/taler-merchant-httpd_check-payment.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/backend/taler-merchant-httpd_check-payment.c b/src/backend/taler-merchant-httpd_check-payment.c
@@ -89,6 +89,9 @@ send_pay_request (struct MHD_Connection *connection,
   char *url;
   char *already_paid_order_id = NULL;
 
+  /* Check if resource_id has been paid for in the same session
+   * with another order_id.
+   */
   if ( (NULL != session_id) && (NULL != resource_url) )
   {
     qs = db->find_session_info (db->cls,
@@ -96,7 +99,7 @@ send_pay_request (struct MHD_Connection *connection,
                                 session_id,
                                 resource_url,
                                 &mi->pubkey);
-    if (0 > qs)
+    if (qs < 0)
     {
       /* single, read-only SQL statements should never cause
          serialization problems */