net/mlx4: fix rxq interrupt memory corruption

intr_vec allocation size was wrong causing a memory corruption.

Fixes: 0a2ae703192c ("net/mlx4: fix Rx interrupts management")
Cc: stable@dpdk.org
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/drivers/net/mlx4/mlx4_intr.c b/drivers/net/mlx4/mlx4_intr.c
index b17d109..50d1976 100644 (file)
--- a/drivers/net/mlx4/mlx4_intr.c
+++ b/drivers/net/mlx4/mlx4_intr.c
@@ -98,7 +98,7 @@ mlx4_rx_intr_vec_enable(struct priv *priv)
        struct rte_intr_handle *intr_handle = &priv->intr_handle;
 
        mlx4_rx_intr_vec_disable(priv);
-       intr_handle->intr_vec = malloc(sizeof(intr_handle->intr_vec[rxqs_n]));
+       intr_handle->intr_vec = malloc(n * sizeof(intr_handle->intr_vec[0]));
        if (intr_handle->intr_vec == NULL) {
                rte_errno = ENOMEM;
                ERROR("failed to allocate memory for interrupt vector,"