A 0 file descriptor is valid.
Prefer setting to -1 to indicate an invalid FD.
Fixes: 0474419bae7c ("vdpa/mlx5: handle hardware error")
Signed-off-by: David Marchand <[email protected]>
---
drivers/vdpa/mlx5/mlx5_vdpa_event.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/vdpa/mlx5/mlx5_vdpa_event.c
b/drivers/vdpa/mlx5/mlx5_vdpa_event.c
index 43585a94b2..dee2ccc23d 100644
--- a/drivers/vdpa/mlx5/mlx5_vdpa_event.c
+++ b/drivers/vdpa/mlx5/mlx5_vdpa_event.c
@@ -452,7 +452,7 @@ mlx5_vdpa_err_event_setup(struct mlx5_vdpa_priv *priv)
mlx5_vdpa_err_interrupt_handler,
priv);
if (ret != 0) {
- rte_intr_fd_set(priv->err_intr_handle, 0);
+ rte_intr_fd_set(priv->err_intr_handle, -1);
DRV_LOG(ERR, "Failed to register error interrupt for device
%d.",
priv->vid);
rte_errno = -ret;
@@ -473,7 +473,7 @@ mlx5_vdpa_err_event_unset(struct mlx5_vdpa_priv *priv)
int retries = MLX5_VDPA_INTR_RETRIES;
int ret = -EAGAIN;
- if (!rte_intr_fd_get(priv->err_intr_handle))
+ if (rte_intr_fd_get(priv->err_intr_handle) < 0)
return;
while (retries-- && ret == -EAGAIN) {
ret = rte_intr_callback_unregister(priv->err_intr_handle,
@@ -487,6 +487,7 @@ mlx5_vdpa_err_event_unset(struct mlx5_vdpa_priv *priv)
rte_pause();
}
}
+ rte_intr_fd_set(priv->err_intr_handle, -1);
if (priv->err_chnl) {
#ifdef HAVE_IBV_DEVX_EVENT
union {
--
2.54.0
