Return value of function 'eth_kni_dev_stop' passed to 'ret' is
rewritten later, and this is unreasonable.

This patch fixes it.

Fixes: 62024eb82756 ("ethdev: change stop operation callback to return int")
Cc: sta...@dpdk.org

Signed-off-by: Min Hu (Connor) <humi...@huawei.com>
---
 drivers/net/kni/rte_eth_kni.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c
index 9ce74e5..067584c 100644
--- a/drivers/net/kni/rte_eth_kni.c
+++ b/drivers/net/kni/rte_eth_kni.c
@@ -211,6 +211,11 @@ eth_kni_close(struct rte_eth_dev *eth_dev)
                return 0;
 
        ret = eth_kni_dev_stop(eth_dev);
+       if (ret) {
+               PMD_LOG(WARNING, "Not able to stop kni for %s",
+                       eth_dev->data->name);
+               return ret;
+       }
 
        /* mac_addrs must not be freed alone because part of dev_private */
        eth_dev->data->mac_addrs = NULL;
-- 
2.7.4

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