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Message-Id: <20190614.191456.407433636343988177.davem@davemloft.net>
Date:   Fri, 14 Jun 2019 19:14:56 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     sunilmut@...rosoft.com
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        sashal@...nel.org, decui@...rosoft.com, mikelley@...rosoft.com,
        netdev@...r.kernel.org, linux-hyperv@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] hvsock: fix epollout hang from race condition


This adds lots of new warnings:

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

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