[dpdk-stable] [PATCH v3 05/14] net/mlx5: fix Rx queue memory allocation return value

[Xueming Li]

If error happened during Rx queue mbuf allocation, boolean value
returned. From description, return value should be error number.

This patch returns negative error number.

Fixes: 0f20acbf5eda ("net/mlx5: implement vectorized MPRQ burst")
Cc: akozyrev at nvidia.com
Cc: stable at dpdk.org

Signed-off-by: Xueming Li <xuemingl at nvidia.com>
---
 drivers/net/mlx5/mlx5_rxq.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 9220bb2c15c..4567b43c1b6 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -129,7 +129,7 @@ rxq_alloc_elts_mprq(struct mlx5_rxq_ctrl *rxq_ctrl)
  *   Pointer to RX queue structure.
  *
  * @return
- *   0 on success, errno value on failure.
+ *   0 on success, negative errno value on failure.
  */
 static int
 rxq_alloc_elts_sprq(struct mlx5_rxq_ctrl *rxq_ctrl)
@@ -220,7 +220,7 @@ rxq_alloc_elts_sprq(struct mlx5_rxq_ctrl *rxq_ctrl)
  *   Pointer to RX queue structure.
  *
  * @return
- *   0 on success, errno value on failure.
+ *   0 on success, negative errno value on failure.
  */
 int
 rxq_alloc_elts(struct mlx5_rxq_ctrl *rxq_ctrl)
@@ -233,7 +233,9 @@ rxq_alloc_elts(struct mlx5_rxq_ctrl *rxq_ctrl)
 	 */
 	if (mlx5_rxq_mprq_enabled(&rxq_ctrl->rxq))
 		ret = rxq_alloc_elts_mprq(rxq_ctrl);
-	return (ret || rxq_alloc_elts_sprq(rxq_ctrl));
+	if (ret == 0)
+		ret = rxq_alloc_elts_sprq(rxq_ctrl);
+	return ret;
 }
 
 /**
-- 
2.33.0