From: Ady Agbarih <adypodoman@gmail.com>
Date: Fri, 22 Oct 2021 15:45:59 +0000 (+0000)
Subject: regex/mlx5: prevent double setup of queue pair
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b5832a0d1524b31782eb04a6e8f95f952a7eed66;p=dpdk.git

regex/mlx5: prevent double setup of queue pair

When mlx5_regex_qp_setup() is called, make sure
the provided QP is not already setup.

Signed-off-by: Ady Agbarih <adypodoman@gmail.com>
Acked-by: Ori Kam <orika@nvidia.com>
---

diff --git a/drivers/regex/mlx5/mlx5_regex_control.c b/drivers/regex/mlx5/mlx5_regex_control.c
index 6a032755ac..6b3fe6b722 100644
--- a/drivers/regex/mlx5/mlx5_regex_control.c
+++ b/drivers/regex/mlx5/mlx5_regex_control.c
@@ -204,6 +204,12 @@ mlx5_regex_qp_setup(struct rte_regexdev *dev, uint16_t qp_ind,
 	uint16_t log_desc;
 
 	qp = &priv->qps[qp_ind];
+	if (qp->jobs) {
+		DRV_LOG(ERR, "Attempting to setup QP a second time.");
+		rte_errno = EINVAL;
+		return -rte_errno;
+	}
+
 	qp->flags = cfg->qp_conf_flags;
 	log_desc = rte_log2_u32(cfg->nb_desc);
 	/*