Re: [PATCH net] hvsock: fix epollout hang from race condition

[David Miller]

This adds lots of new warnings:

net/vmw_vsock/hyperv_transport.c: In function ʽhvs_probeʼ:
net/vmw_vsock/hyperv_transport.c:205:20: warning: ʽvnewʼ may be used uninitialized in this function [-Wmaybe-uninitialized]
   remote->svm_port = host_ephemeral_port++;
   ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
net/vmw_vsock/hyperv_transport.c:332:21: note: ʽvnewʼ was declared here
  struct vsock_sock *vnew;
                     ^~~~
net/vmw_vsock/hyperv_transport.c:406:22: warning: ʽhvs_newʼ may be used uninitialized in this function [-Wmaybe-uninitialized]
   hvs_new->vm_srv_id = *if_type;
   ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
net/vmw_vsock/hyperv_transport.c:333:23: note: ʽhvs_newʼ was declared here
  struct hvsock *hvs, *hvs_new;
                       ^~~~~~~