From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Date: Wed, 14 Jun 2017 11:49:16 +0000 (+0200)
Subject: net/mlx5: fix return value in Rx interrupts code
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ad883aa293f364a54671c6aef30f7c5121f6beb2;p=dpdk.git

net/mlx5: fix return value in Rx interrupts code

A negative return value is documented for that function in case of error.

Fixes: 3c7d44af252a ("net/mlx5: support user space Rx interrupt event")
Cc: stable@dpdk.org

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
---

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 4ed2d9da6c..43a775698f 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -1448,7 +1448,7 @@ mlx5_rx_intr_enable(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	ret = ibv_req_notify_cq(cq, 0);
 	if (ret)
 		WARN("unable to arm interrupt on rx queue %d", rx_queue_id);
-	return ret;
+	return -ret;
 }
 
 /**