[dpdk-dev] [PATCH v2] net/mlx5: fix Rx queue release of resources

Dekel Peled dekelp at mellanox.com
Wed Jul 24 10:54:19 CEST 2019


Function rxq_release_rq_resources() releases resources of RQ object
created by DevX API.

This patch updates this function to properly clear the released
resources, to avoid repeated release of the same resource.

Fixes: 69abf7b1db4a ("net/mlx5: create advanced RxQ using new API")

Signed-off-by: Dekel Peled <dekelp at mellanox.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>
---
 drivers/net/mlx5/mlx5_rxq.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index c9df8b0..441f158 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -573,8 +573,10 @@
 		rte_free((void *)(uintptr_t)rxq_ctrl->rxq.wqes);
 		rxq_ctrl->rxq.wqes = NULL;
 	}
-	if (rxq_ctrl->wq_umem)
+	if (rxq_ctrl->wq_umem) {
 		mlx5_glue->devx_umem_dereg(rxq_ctrl->wq_umem);
+		rxq_ctrl->wq_umem = NULL;
+	}
 }
 
 /**
-- 
1.8.3.1



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