[PATCH 2/2] net/xsc: optimize release path

["Renyong Wan" <wanry@yunsilicon.com>]

Optimized the code of release path to prevent potential resource leaks.

Signed-off-by: Rong Qian <qianr@yunsilicon.com>
Signed-off-by: Renyong Wan <wanry@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