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

Dexuan Cui decui at microsoft.com
Wed Jul 20 01:48:18 UTC 2016


> From: kbuild test robot [mailto:lkp at 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.

Thanks,
-- Dexuan


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