From: Nélio Laranjeiro <nelio.laranjeiro@6wind.com>
Date: Tue, 18 Apr 2017 08:30:11 +0000 (+0200)
Subject: net/mlx5: fix empty RSS flow action
X-Git-Tag: spdx-start~3516
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=30788c5510356b8dd6870a30aa616d9ee043c154;p=dpdk.git

net/mlx5: fix empty RSS flow action

Empty RSS action is causing a segmentation fault.

Fixes: 3d821d6fea40 ("net/mlx5: support RSS action flow rule")

Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
---

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 8d62f85e13..1784e64fa9 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -506,6 +506,13 @@ priv_flow_validate(struct priv *priv,
 				actions->conf;
 			uint16_t n;
 
+			if (!rss || !rss->num) {
+				rte_flow_error_set(error, EINVAL,
+						   RTE_FLOW_ERROR_TYPE_ACTION,
+						   actions,
+						   "no valid queues");
+				return -rte_errno;
+			}
 			if (action->queues_n == 1) {
 				uint16_t found = 0;