net/mlx5: fix Rx queue memory allocation return value

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: stable@dpdk.org
Signed-off-by: Xueming Li <xuemingl@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 9220bb2..4567b43 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -129,7 +129,7 @@ error:
  *   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 @@ error:
  *   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;
 }
 
 /**