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

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Date:   Tue, 5 Jun 2018 02:42:56 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        Tariq Toukan <tariqt@...lanox.com>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <netdev@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: [PATCH net-next] net/mlx5e: fix error return code in mlx5e_alloc_rq()

Fix to return error code -ENOMEM from the kvzalloc_node() error handling
case instead of 0, as done elsewhere in this function.

Fixes: 069d11465a80 ("net/mlx5e: RX, Enhance legacy Receive Queue memory scheme")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 4 +++-
 1 file changed, 3 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 333d4ed..89c96a0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -566,8 +566,10 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
 			kvzalloc_node((wq_sz << rq->wqe.info.log_num_frags) *
 				      sizeof(*rq->wqe.frags),
 				      GFP_KERNEL, cpu_to_node(c->cpu));
-		if (!rq->wqe.frags)
+		if (!rq->wqe.frags) {
+			err = -ENOMEM;
 			goto err_free;
+		}
 
 		err = mlx5e_init_di_list(rq, params, wq_sz, c->cpu);
 		if (err)