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fix possible NULL deref, simplify logic

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Christian Grothoff 2017-05-09 13:24:53 +02:00
parent b53c189e0a
commit 783642272d
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GPG Key ID: 939E6BE1E29FC3CC
1 changed files with 6 additions and 11 deletions
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17
src/bank-lib/fakebank.c
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@ -476,21 +476,16 @@ handle_history (struct TALER_FAKEBANK_Handle *h,
} }
else else
{ {
if (NULL == h->transactions_head) for (pos = h->transactions_head;
NULL != pos;
pos = pos->next)
if (pos->serial_id == start_number)
break;
if (NULL == pos)
{ {
GNUNET_break (0); GNUNET_break (0);
return MHD_NO; return MHD_NO;
} }
for (pos = h->transactions_head;
pos->serial_id != start_number;
pos = pos->next)
{
if (NULL == pos)
{
GNUNET_break (0);
return MHD_NO;
}
}
/* range is exclusive, skip the matching entry */ /* range is exclusive, skip the matching entry */
if (count > 0) if (count > 0)
pos = pos->next; pos = pos->next;