[PATCH 2/2] net/xsc: optimize release path
Renyong Wan
wanry at yunsilicon.com
Fri Apr 18 12:34:38 CEST 2025
Optimized the code of release path to prevent potential resource leaks.
Signed-off-by: Rong Qian <qianr at yunsilicon.com>
Signed-off-by: Renyong Wan <wanry at yunsilicon.com>
---
drivers/net/xsc/xsc_dev.c | 5 ++++-
drivers/net/xsc/xsc_ethdev.c | 12 ++++++++++--
drivers/net/xsc/xsc_np.c | 1 +
drivers/net/xsc/xsc_vfio.c | 1 +
4 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/drivers/net/xsc/xsc_dev.c b/drivers/net/xsc/xsc_dev.c
index 1e3dd493f9..fc9f1cddfc 100644
--- a/drivers/net/xsc/xsc_dev.c
+++ b/drivers/net/xsc/xsc_dev.c
@@ -150,7 +150,10 @@ int
xsc_dev_close(struct xsc_dev *xdev, int repr_id)
{
xsc_dev_clear_pct(xdev, repr_id);
- return xdev->dev_ops->dev_close(xdev);
+
+ if (repr_id == xdev->num_repr_ports - 1)
+ return xdev->dev_ops->dev_close(xdev);
+ return 0;
}
int
diff --git a/drivers/net/xsc/xsc_ethdev.c b/drivers/net/xsc/xsc_ethdev.c
index 28af9c5d15..3830c18c03 100644
--- a/drivers/net/xsc/xsc_ethdev.c
+++ b/drivers/net/xsc/xsc_ethdev.c
@@ -860,13 +860,21 @@ xsc_ethdev_init(struct rte_eth_dev *eth_dev)
static int
xsc_ethdev_uninit(struct rte_eth_dev *eth_dev)
{
+ int ret = 0;
+ uint16_t port_id;
struct xsc_ethdev_priv *priv = TO_XSC_ETHDEV_PRIV(eth_dev);
PMD_INIT_FUNC_TRACE();
+ RTE_ETH_FOREACH_DEV_OF(port_id, eth_dev->device) {
+ if (port_id != eth_dev->data->port_id)
+ ret |= rte_eth_dev_close(port_id);
+ }
- xsc_dev_uninit(priv->xdev);
+ ret |= xsc_ethdev_close(eth_dev);
+ xsc_dev_pct_uninit();
+ rte_free(priv->xdev);
- return 0;
+ return ret == 0 ? 0 : -EIO;
}
static int
diff --git a/drivers/net/xsc/xsc_np.c b/drivers/net/xsc/xsc_np.c
index f96797b7a4..543e6dba95 100644
--- a/drivers/net/xsc/xsc_np.c
+++ b/drivers/net/xsc/xsc_np.c
@@ -383,6 +383,7 @@ void
xsc_dev_pct_uninit(void)
{
rte_free(xsc_pct_mgr.bmp_mem);
+ xsc_pct_mgr.bmp_mem = NULL;
}
int
diff --git a/drivers/net/xsc/xsc_vfio.c b/drivers/net/xsc/xsc_vfio.c
index 8330483523..422d30efb9 100644
--- a/drivers/net/xsc/xsc_vfio.c
+++ b/drivers/net/xsc/xsc_vfio.c
@@ -178,6 +178,7 @@ xsc_vfio_dev_close(struct xsc_dev *xdev)
struct xsc_vfio_priv *vfio_priv = (struct xsc_vfio_priv *)xdev->dev_priv;
xsc_vfio_mbox_destroy(vfio_priv->cmdq);
+ rte_pci_unmap_device(xdev->pci_dev);
rte_free(vfio_priv);
return 0;
--
2.25.1
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