hcq/MaxScale
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Fixes to Coverity tasks : 73267, 72686, 72672

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Cleaned up warnings, and added checks to malloc return values and error log writes in case of failures.
This commit is contained in:
VilhoRaatikka
2014-10-31 15:25:59 +02:00
parent 848c7aa0b8
commit 00fded016b
9 changed files with 123 additions and 32 deletions
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24
server/modules/routing/readconnroute.c
View File

@ -654,7 +654,7 @@ DCB* backend_dcb;
* @param instance The router instance
* @param router_session The router session returned from the newSession call
* @param queue The queue of data buffers to route
* @return The number of bytes sent
* @return if succeed 1, otherwise 0
*/
static int
routeQuery(ROUTER *instance, void *router_session, GWBUF *queue)
@ -697,20 +697,22 @@ routeQuery(ROUTER *instance, void *router_session, GWBUF *queue)
"Error : Failed to route MySQL command %d to backend "
"server.",
mysql_command)));
rc = 0;
goto return_rc;
}
switch(mysql_command) {
case MYSQL_COM_CHANGE_USER:
rc = backend_dcb->func.auth(
backend_dcb,
NULL,
backend_dcb->session,
queue);
break;
default:
rc = backend_dcb->func.write(backend_dcb, queue);
break;
case MYSQL_COM_CHANGE_USER:
rc = backend_dcb->func.auth(
backend_dcb,
NULL,
backend_dcb->session,
queue);
break;
default:
rc = backend_dcb->func.write(backend_dcb, queue);
break;
}
CHK_PROTOCOL(((MySQLProtocol*)backend_dcb->protocol));

11
server/modules/routing/readwritesplit/readwritesplit.c
View File

@ -3829,7 +3829,6 @@ static bool route_session_write(
{
succp = false;
}
}
}
rses_end_locked_router_action(router_cli_ses);
@ -3842,6 +3841,12 @@ static bool route_session_write(
succp = false;
goto return_succp;
}
if (router_cli_ses->rses_nbackends <= 0)
{
succp = false;
goto return_succp;
}
/**
* Additional reference is created to querybuf to
* prevent it from being released before properties
@ -3909,6 +3914,10 @@ static bool route_session_write(
}
}
}
else
{
succp = false;
}
}
/** Unlock router session */
rses_end_locked_router_action(router_cli_ses);