[PATCH] net/mlx5/hws: check action creation for HWS support

[Alex Vesker]

Fix segmentation fault when user will request to allocate
a HWS action while current device doesn't support HWS.

Fixes: f8c8a6d ("net/mlx5/hws: add action object")
Signed-off-by: Alex Vesker <valex at nvidia.com>
Reviewed-by: Erez Shitrit <erezsh at nvidia.com>
---
 drivers/net/mlx5/hws/mlx5dr_action.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/mlx5/hws/mlx5dr_action.c b/drivers/net/mlx5/hws/mlx5dr_action.c
index 755d5d09cf..a0c34c3e35 100644
--- a/drivers/net/mlx5/hws/mlx5dr_action.c
+++ b/drivers/net/mlx5/hws/mlx5dr_action.c
@@ -699,6 +699,13 @@ mlx5dr_action_create_generic(struct mlx5dr_context *ctx,
 		return NULL;
 	}
 
+	if (mlx5dr_action_is_hws_flags(flags) &&
+	    !(ctx->flags & MLX5DR_CONTEXT_FLAG_HWS_SUPPORT)) {
+		DR_LOG(ERR, "Cannot create HWS action since HWS is not supported");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
 	action = simple_calloc(1, sizeof(*action));
 	if (!action) {
 		DR_LOG(ERR, "Failed to allocate memory for action [%d]", action_type);
-- 
2.18.1