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From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org, Adrien Mazarguil <adrien.mazarguil@6wind.com>,
Nelio Laranjeiro <nelio.laranjeiro@6wind.com>,
Yongseok Koh <yskoh@mellanox.com>
Cc: stable@dpdk.org
Date: Thu, 18 Jan 2018 14:00:42 +0100
Message-Id: <20180118130043.31773-1-olivier.matz@6wind.com>
X-Mailer: git-send-email 2.11.0
Subject: [dpdk-dev] [PATCH 1/2] net/mlx5: fix return value of start operation
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On error, mlx5_dev_start() does not return a negative value
as it is supposed to do. The consequence is that the application
(ex: testpmd) does not notice that the port is not started
and begins the rxtx on an uninitialized port, which crashes.
Fixes: e1016cb73383 ("net/mlx5: fix Rx interrupts management")
Cc: stable@dpdk.org
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
drivers/net/mlx5/mlx5_trigger.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
index 1a20967a2..44f702daa 100644
--- a/drivers/net/mlx5/mlx5_trigger.c
+++ b/drivers/net/mlx5/mlx5_trigger.c
@@ -166,6 +166,7 @@ mlx5_dev_start(struct rte_eth_dev *dev)
ERROR("%p: an error occurred while configuring control flows:"
" %s",
(void *)priv, strerror(err));
+ err = -err;
goto error;
}
err = priv_flow_start(priv, &priv->flows);
@@ -173,6 +174,7 @@ mlx5_dev_start(struct rte_eth_dev *dev)
ERROR("%p: an error occurred while configuring flows:"
" %s",
(void *)priv, strerror(err));
+ err = -err;
goto error;
}
err = priv_rx_intr_vec_enable(priv);
@@ -196,7 +198,7 @@ mlx5_dev_start(struct rte_eth_dev *dev)
priv_rxq_stop(priv);
priv_flow_delete_drop_queue(priv);
priv_unlock(priv);
- return -err;
+ return err;
}
/**
--
2.11.0