[PATCH v1 09/17] net/dpaa: fix device remove

[Hemant Agrawal]

From: Gagandeep Singh <g.singh at nxp.com>

Add a check to avoid closing a device that is already closed,
preventing a double-close condition during device removal.

Fixes: 78ea4b4fcb ("bus/dpaa: improve cleanup")
Cc: stable at dpdk.org

Signed-off-by: Gagandeep Singh <g.singh at nxp.com>
---
 drivers/net/dpaa/dpaa_ethdev.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
index 424458857e..9a9c5ee817 100644
--- a/drivers/net/dpaa/dpaa_ethdev.c
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -2674,18 +2674,19 @@ static int
 rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
 {
 	struct rte_eth_dev *eth_dev;
-	int ret;
+	int ret = 0;
 
 	PMD_INIT_FUNC_TRACE();
 
 	eth_dev = dpaa_dev->eth_dev;
-	dpaa_eth_dev_close(eth_dev);
-	ret = rte_eth_dev_release_port(eth_dev);
+	if (eth_dev->state !=  RTE_ETH_DEV_UNUSED) {
+		dpaa_eth_dev_close(eth_dev);
+		ret = rte_eth_dev_release_port(eth_dev);
+	}
 	dpaa_valid_dev--;
-	if (!dpaa_valid_dev) {
+	if (!dpaa_valid_dev)
 		rte_mempool_free(dpaa_tx_sg_pool);
-		dpaa_finish();
-	}
+
 	return ret;
 }
 
-- 
2.43.0