Interrupt disable can be called when the interrupt vector is not yet
allocated. Such case ends up with segmentation fault.
Fixing it by adding verification for interrupt vector validity.
Fixes: 09cb5b581762 ("net/mlx5: separate DPDK from verbs Rx queue objects")
Cc: [email protected]
Signed-off-by: Shahaf Shuler <[email protected]>
Acked-by: Nelio Laranjeiro <[email protected]>
---
drivers/net/mlx5/mlx5_rxq.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index ad741ef44..2beebfdf2 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -396,6 +396,8 @@ priv_rx_intr_vec_disable(struct priv *priv)
if (!priv->dev->data->dev_conf.intr_conf.rxq)
return;
+ if (!intr_handle->intr_vec)
+ goto free;
for (i = 0; i != n; ++i) {
struct mlx5_rxq_ctrl *rxq_ctrl;
struct mlx5_rxq_data *rxq_data;
@@ -411,8 +413,10 @@ priv_rx_intr_vec_disable(struct priv *priv)
rxq_ctrl = container_of(rxq_data, struct mlx5_rxq_ctrl, rxq);
mlx5_priv_rxq_ibv_release(priv, rxq_ctrl->ibv);
}
+free:
rte_intr_free_epoll_fd(intr_handle);
- free(intr_handle->intr_vec);
+ if (intr_handle->intr_vec)
+ free(intr_handle->intr_vec);
intr_handle->nb_efd = 0;
intr_handle->intr_vec = NULL;
}
--
2.12.0
