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port: fix crash for ethdev writer nodrop

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Error log:
 [APP] Initializing PIPELINE0 ...
 pipeline> [APP] Initializing PIPELINE1 ...
 [PIPELINE1] Pass-through
 Segmentation fault (core dumped)

Fixes: 304c8091e90a ("port: add ethdev writer nodrop")

Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
This commit is contained in:
Jasvinder Singh 2016-03-02 21:19:29 +00:00 committed by Thomas Monjalon
parent 8f6f243422
commit 04f366906a
1 changed files with 6 additions and 2 deletions

8
lib/librte_port/rte_port_ethdev.c

@ -390,16 +390,20 @@ send_burst_nodrop(struct rte_port_ethdev_writer_nodrop *p)
p->tx_buf_count);
/* We sent all the packets in a first try */
if (nb_tx >= p->tx_buf_count)
if (nb_tx >= p->tx_buf_count) {
p->tx_buf_count = 0;
return;
}
for (i = 0; i < p->n_retries; i++) {
nb_tx += rte_eth_tx_burst(p->port_id, p->queue_id,
p->tx_buf + nb_tx, p->tx_buf_count - nb_tx);
/* We sent all the packets in more than one try */
if (nb_tx >= p->tx_buf_count)
if (nb_tx >= p->tx_buf_count) {
p->tx_buf_count = 0;
return;
}
}
/* We didn't send the packets in maximum allowed attempts */