net/mlx5: fix work queue array size

Indirection table size must be in log to communicate with verbs when the
number of queue is not a power of two, the maximum indirection table
size is use, but not converted to log2.  This makes a memory corruption.

Fixes: 4c7a0f5ff876 ("net/mlx5: make indirection tables shareable")
Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
Acked-by: Yongseok Koh <yskoh@mellanox.com>

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index daf05cb091e18e6801c12545df4826bda8ae7531..a1f382b1f55910f8b1b835c872e365d552c82f9b 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -1120,7 +1120,7 @@ mlx5_priv_ind_table_ibv_new(struct priv *priv, uint16_t queues[],
        struct mlx5_ind_table_ibv *ind_tbl;
        const unsigned int wq_n = rte_is_power_of_2(queues_n) ?
                log2above(queues_n) :
-               priv->ind_table_max_size;
+               log2above(priv->ind_table_max_size);
        struct ibv_wq *wq[1 << wq_n];
        unsigned int i;
        unsigned int j;