event/octeontx: fix memory corruption

Since PMD enqueues a single event at a time, fixing the issue by
passing 1 rather than nb_events to avoid any out of bound access as
reported by coverity.

Coverity issue: 358447
Fixes: 56a96aa42464 ("event/octeontx: add framework for Rx/Tx offloads")
Cc: stable@dpdk.org
Signed-off-by: Harman Kalra <hkalra@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/event/octeontx/ssovf_worker.c b/drivers/event/octeontx/ssovf_worker.c
index d2d5eea..18b7926 100644 (file)
--- a/drivers/event/octeontx/ssovf_worker.c
+++ b/drivers/event/octeontx/ssovf_worker.c
@@ -282,6 +282,7 @@ __sso_event_tx_adapter_enqueue(void *port, struct rte_event ev[],
        struct ssows *ws = port;
        struct octeontx_txq *txq;
 
+       RTE_SET_USED(nb_events);
        switch (ev->sched_type) {
        case SSO_SYNC_ORDERED:
                ssows_swtag_norm(ws, ev->event, SSO_SYNC_ATOMIC);
@@ -305,7 +306,7 @@ __sso_event_tx_adapter_enqueue(void *port, struct rte_event ev[],
        ethdev = &rte_eth_devices[port_id];
        txq = ethdev->data->tx_queues[queue_id];
 
-       return __octeontx_xmit_pkts(txq, &m, nb_events, cmd, flag);
+       return __octeontx_xmit_pkts(txq, &m, 1, cmd, flag);
 }
 
 #define T(name, f3, f2, f1, f0, sz, flags)                                  \