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MXS-1033: Fix crash on 'maxadmin list clients'

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When the client connections were listed, the DCB state was not
inspected. Only DCBs in the polling state should be printed as they are
guaranteed to be in a valid state.
This commit is contained in:
Markus Makela 2016-11-30 23:10:24 +02:00
parent 82ef1a9149
commit ac0f975f9c
1 changed files with 3 additions and 2 deletions
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5
server/core/dcb.c
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@ -2157,7 +2157,7 @@ dListDCBs(DCB *pdcb)
dcb_printf(pdcb, "------------------+----------------------------+--------------------+----------\n");
while (dcb)
{
if (dcb->dcb_is_in_use)
if (dcb->dcb_is_in_use && dcb->state == DCB_STATE_POLLING)
{
dcb_printf(pdcb, " %-16p | %-26s | %-18s | %s\n",
dcb, gw_dcb_state2string(dcb->state),
@ -2189,7 +2189,8 @@ dListClients(DCB *pdcb)
dcb_printf(pdcb, "-----------------+------------------+----------------------+------------\n");
while (dcb)
{
if (dcb->dcb_is_in_use && dcb->dcb_role == DCB_ROLE_CLIENT_HANDLER)
if (dcb->dcb_is_in_use && dcb->dcb_role == DCB_ROLE_CLIENT_HANDLER &&
dcb->state == DCB_STATE_POLLING)
{
dcb_printf(pdcb, " %-15s | %16p | %-20s | %10p\n",
(dcb->remote ? dcb->remote : ""),