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MXS-3100 Fix memory leak in top-filter

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This commit is contained in:
Niclas Antti
2020-08-10 15:36:19 +03:00
parent 63e4a63b62
commit 49ea5da9e2
1 changed files with 15 additions and 1 deletions
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16
server/modules/filter/topfilter/topfilter.cc
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@ -431,10 +431,24 @@ static void closeSession(MXS_FILTER* instance, MXS_FILTER_SESSION* session)
*/ */
static void freeSession(MXS_FILTER* instance, MXS_FILTER_SESSION* session) static void freeSession(MXS_FILTER* instance, MXS_FILTER_SESSION* session)
{ {
TOPN_INSTANCE* my_instance = (TOPN_INSTANCE*) instance;
TOPN_SESSION* my_session = (TOPN_SESSION*) session; TOPN_SESSION* my_session = (TOPN_SESSION*) session;
MXS_FREE(my_session->current);
for (int i = 0; i < my_instance->topN; i++)
{
MXS_FREE(my_session->top[i]->sql);
MXS_FREE(my_session->top[i]);
}
MXS_FREE(my_session->top);
MXS_FREE(my_session->clientHost);
MXS_FREE(my_session->userName);
MXS_FREE(my_session->filename); MXS_FREE(my_session->filename);
MXS_FREE(session);
MXS_FREE(my_session);
return; return;
} }