net/mlx5: fix crash in device probe

This patch initializes counter descriptor struct before invoking Verbs
api to avoid segmentation fault.

Fixes: 9a761de8ea14 ("net/mlx5: flow counter support")
Cc: stable@dpdk.org
Signed-off-by: Xueming Li <xuemingl@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index d27ee960db7f6d91332d14b18c0d9305aaaa91fe..3e0a1b1869bf8739b0a30a1ae200d22932556528 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -672,7 +672,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        int i;
        struct mlx5dv_context attrs_out = {0};
 #ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-       struct ibv_counter_set_description cs_desc;
+       struct ibv_counter_set_description cs_desc = { .counter_type = 0 };
 #endif
 
        /* Prepare shared data between primary and secondary process. */