ethdev: fix port close in secondary process

Secondary process needs to close device to release process private
resources.  But secondary process should not be obliged to wait for
device stop before closing ethdev.

Fixes: febc855b358e ("ethdev: forbid closing started device")
Cc: stable@dpdk.org
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>

diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index 46c088dc8893165a91152e29e8b9af862c03acc8..b9c5dea09fba64a015a21fe32f205f0d0f731cc3 100644 (file)
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -1576,7 +1576,13 @@ rte_eth_dev_close(uint16_t port_id)
        RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
        dev = &rte_eth_devices[port_id];
 
-       if (dev->data->dev_started) {
+       /*
+        * Secondary process needs to close device to release process private
+        * resources. But secondary process should not be obliged to wait
+        * for device stop before closing ethdev.
+        */
+       if (rte_eal_process_type() == RTE_PROC_PRIMARY &&
+                       dev->data->dev_started) {
                RTE_ETHDEV_LOG(ERR, "Cannot close started device (port %u)\n",
                               port_id);
                return -EINVAL;