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Fix candidate to bug #615, http://bugs.skysql.com/show_bug.cgi?id=615

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This commit is contained in:
VilhoRaatikka
2014-11-14 13:06:35 +02:00
parent 238c476d3a
commit 77aa9827fe
1 changed files with 10 additions and 3 deletions
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13
server/modules/protocol/mysql_backend.c
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@ -539,10 +539,13 @@ static int gw_read_backend_event(DCB *dcb) {
goto return_rc;
}
}
/*<
* If dcb->session->client is freed already it may be NULL.
/**
* Check that session is operable, and that client DCB is
* still listening the socket for replies.
*/
if (dcb->session->client != NULL)
if (dcb->session->state == SESSION_STATE_ROUTER_READY &&
dcb->session->client != NULL &&
dcb->session->client->state == DCB_STATE_POLLING)
{
client_protocol = SESSION_PROTOCOL(dcb->session,
MySQLProtocol);
@ -571,6 +574,10 @@ static int gw_read_backend_event(DCB *dcb) {
rc = 1;
}
}
else /*< session is closing; replying to client isn't possible */
{
gwbuf_free(read_buffer);
}
}
return_rc: