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Fix to bugs #665, and #664. Potentially to #649.

Browse Source 
http://bugs.skysql.com/show_bug.cgi?id=665
http://bugs.skysql.com/show_bug.cgi?id=664
http://bugs.skysql.com/show_bug.cgi?id=649

dcb.c:dcb_final_free: (665):set dcb->session->client pointer to NULL so that it won't be read anymore and other threads won't try to close it.
	dcb_final_free:(664):don't free dcb->data, it is either freed in session_alloc if session creation fails or in session_free only.
session.c:if session creation fails, free dcb->data and remove links between client DCB and session.
mysql_backend.c:(665):gw_backend_close:check that session->client isn't NULL and that client DCB's state is still polling before calling dcb_close for it.
mysql_client.c:gw_mysql_do_authentication:if anything fails, and session_alloc won't be called, free dcb->data.
mysql_common.c:gw_send_authentication_to_backend:if session is already closing then return with error.
This commit is contained in:
VilhoRaatikka
2014-12-29 20:19:01 +02:00
parent beacd524da
commit 635fcf708f
8 changed files with 97 additions and 29 deletions
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2
server/modules/routing/readconnroute.c
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@ -804,7 +804,7 @@ clientReply(
GWBUF *queue,
DCB *backend_dcb)
{
DCB *client = NULL;
DCB *client ;
client = backend_dcb->session->client;