CVE-2021-47400 net: hns3: do not allow call hns3_nic_net_open repeatedly
JIRA: https://issues.redhat.com/browse/RHEL-37707
CVE: CVE-2021-47400
net: hns3: do not allow call hns3_nic_net_open repeatedly
Signed-off-by: Jose Ignacio Tornos Martinez jtornosm@redhat.com