[dpdk-stable] patch 'net/ena: fix SIGFPE with 0 Rx queue' has been queued to LTS release 17.11.4
Yongseok Koh
yskoh at mellanox.com
Fri Jul 27 04:09:24 CEST 2018
Hi,
FYI, your patch has been queued to LTS release 17.11.4
Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 07/28/18. So please
shout if anyone has objections.
Thanks.
Yongseok
---
>From 2387b625656cc0464f164e6ab0c45732b7da7115 Mon Sep 17 00:00:00 2001
From: Daria Kolistratova <daria.kolistratova at intel.com>
Date: Tue, 26 Jun 2018 18:38:56 +0100
Subject: [PATCH] net/ena: fix SIGFPE with 0 Rx queue
[ upstream commit 361913ad6f8c05fc541fe4bfdae3b0dc095ae3af ]
When the number of rx queues is 0 (what can be when application does
not receive) failed with SIGFPE.
It happens when the application is also requesting ETH_MQ_RX_RSS_FLAG
in the rte_dev->data->dev_conf.rxmode.mq_mode.
Fixed adding zero rx queues check.
Signed-off-by: Daria Kolistratova <daria.kolistratova at intel.com>
Acked-by: Michal Krawczyk <mk at semihalf.com>
---
drivers/net/ena/ena_ethdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index aa24ef36a..63c36d490 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -907,7 +907,7 @@ static int ena_start(struct rte_eth_dev *dev)
return rc;
if (adapter->rte_dev->data->dev_conf.rxmode.mq_mode &
- ETH_MQ_RX_RSS_FLAG) {
+ ETH_MQ_RX_RSS_FLAG && adapter->rte_dev->data->nb_rx_queues > 0) {
rc = ena_rss_init_default(adapter);
if (rc)
return rc;
--
2.11.0
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