Re: [PATCH v17 net-next 1/1] hv_sock: introduce Hyper-V Sockets

[David Miller <davem@davemloft.net>]

From: Dexuan Cui <decui@microsoft.com>
Date: Wed, 20 Jul 2016 01:48:18 +0000

>> From: kbuild test robot [mailto:lkp@intel.com]
>> Sent: Wednesday, July 20, 2016 1:10
>> 
>> Hi,
>> 
>> [auto build test WARNING on net-next/master]
>> 
>> url:    https://github.com/0day-ci/linux/commits/Dexuan-Cui/introduce-
>> Hyper-V-VM-Sockets-hv_sock/20160715-223433
>> config: x86_64-randconfig-a0-07191719 (attached as .config)
>> compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
>> reproduce:
>>         # save the attached .config to linux build tree
>>         make ARCH=x86_64
>> 
>> All warnings (new ones prefixed by >>):
>> 
>>    net/hv_sock/af_hvsock.c: In function 'hvsock_open_connection':
>>    net/hv_sock/af_hvsock.c:693: warning: 'hvsk' may be used uninitialized in
>> this function
>>    net/hv_sock/af_hvsock.c:693: warning: 'new_hvsk' may be used
>> uninitialized in this function
>>    net/hv_sock/af_hvsock.c:697: warning: 'new_sk' may be used uninitialized
>> in this function
>>    net/hv_sock/af_hvsock.c: In function 'hvsock_sendmsg_wait':
>>    net/hv_sock/af_hvsock.c:1053: warning: 'ret' may be used uninitialized in
>> this function
>> >> net/hv_sock/af_hvsock.o: warning: objtool: hvsock_on_channel_cb()+0x1d:
>> function has unreachable instruction
> 
> These warnings are all false alarms.

But you still have to quiet them.