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Added check for session state before calling route->closeSession

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This commit is contained in:
VilhoRaatikka 2014-07-30 20:43:43 +03:00
parent b68dc5ff2a
commit b3656eba07
1 changed files with 16 additions and 3 deletions
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19
server/modules/protocol/mysql_client.c
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@ -1331,12 +1331,25 @@ gw_client_close(DCB *dcb)
* session may be NULL if session_alloc failed.
* In that case, router session wasn't created.
*/
if (session != NULL) {
if (session != NULL)
{
CHK_SESSION(session);
spinlock_acquire(&session->ses_lock);
session->state = SESSION_STATE_STOPPING;
spinlock_release(&session->ses_lock);
if (session->state == SESSION_STATE_STOPPING)
{
/**
* Session is already getting closed so avoid
* redundant calls
*/
spinlock_release(&session->ses_lock);
return 1;
}
else
{
session->state = SESSION_STATE_STOPPING;
spinlock_release(&session->ses_lock);
}
router = session->service->router;
router_instance = session->service->router_instance;
rsession = session->router_session;