net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg
JIRA: https://issues.redhat.com/browse/RHEL-43623
CVE: CVE-2021-47596
net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg
Signed-off-by: Jose Ignacio Tornos Martinez jtornosm@redhat.com