[taler-merchant] branch master updated: fix pointer check

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sebasjm pushed a commit to branch master
in repository merchant.

The following commit(s) were added to refs/heads/master by this push:
     new 754ec646 fix pointer check
754ec646 is described below

commit 754ec646e50bc7764496a71b46a2d7bcaef56d14
Author: Sebastian <sebasjm@gmail.com>
AuthorDate: Tue Apr 13 09:00:20 2021 -0300

    fix pointer check
---
 src/backend/taler-merchant-httpd_exchanges.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/backend/taler-merchant-httpd_exchanges.c 
b/src/backend/taler-merchant-httpd_exchanges.c
index da093160..06c4ab91 100644
--- a/src/backend/taler-merchant-httpd_exchanges.c
+++ b/src/backend/taler-merchant-httpd_exchanges.c
@@ -364,10 +364,10 @@ process_wire_fees (struct Exchange *exchange,
   while ( (NULL != endp) &&
           (NULL != endp->next) )
     endp = endp->next;
-  while ( (NULL != endp) &&
+  while ( (NULL != endp) && (NULL != fees) &&
           (fees->start_date.abs_value_us < endp->end_date.abs_value_us) )
     fees = fees->next;
-  if ( (NULL != endp) &&
+  if ( (NULL != endp) && (NULL != fees) &&
        (fees->start_date.abs_value_us != endp->end_date.abs_value_us) )
   {
     /* Hole in the fee structure, not allowed! */

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