netdev - [PATCH net-next] net/mlx5e: fix error return code in mlx5e_alloc

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Date:   Wed, 10 Jan 2018 07:30:53 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Saeed Mahameed <saeedm@...lanox.com>,
        Matan Barak <matanb@...lanox.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <netdev@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>
Subject: [PATCH net-next] net/mlx5e: fix error return code in mlx5e_alloc_rq()

Fix to return a negative error code from the xdp_rxq_info_reg() error
handling case instead of 0, as done elsewhere in this function.

Fixes: 0ddf543226ac ("xdp/mlx5: setup xdp_rxq_info")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 539bd1d..6ba6671 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -582,7 +582,8 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
 		goto err_rq_wq_destroy;
 	}
 
-	if (xdp_rxq_info_reg(&rq->xdp_rxq, rq->netdev, rq->ix) < 0)
+	err = xdp_rxq_info_reg(&rq->xdp_rxq, rq->netdev, rq->ix);
+	if (err < 0)
 		goto err_rq_wq_destroy;
 
 	rq->buff.map_dir = rq->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;