net/vmw_vsock/vmci_transport.c:2057:6: warning: no previous prototype for 'vmci_vsock_transport_cb'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   435faf5c218a47fd6258187f62d9bb1009717896
commit: b1bba80a4376aef34de2b57bfb8834bd095703ed vsock/vmci: register vmci_transport only when VMCI guest/host are active
date:   7 months ago
config: i386-randconfig-r013-20200605 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
        git checkout b1bba80a4376aef34de2b57bfb8834bd095703ed
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> net/vmw_vsock/vmci_transport.c:2057:6: warning: no previous prototype for 'vmci_vsock_transport_cb' [-Wmissing-prototypes]
2057 | void vmci_vsock_transport_cb(bool is_host)
|      ^~~~~~~~~~~~~~~~~~~~~~~
In file included from net/vmw_vsock/vmci_transport_notify.h:12,
from net/vmw_vsock/vmci_transport.c:30:
include/linux/vmw_vmci_defs.h:162:33: warning: 'VMCI_ANON_SRC_HANDLE' defined but not used [-Wunused-const-variable=]
162 | static const struct vmci_handle VMCI_ANON_SRC_HANDLE = {
|                                 ^~~~~~~~~~~~~~~~~~~~

vim +/vmci_vsock_transport_cb +2057 net/vmw_vsock/vmci_transport.c

  2056	
> 2057	void vmci_vsock_transport_cb(bool is_host)
  2058	{
  2059		int features;
  2060	
  2061		if (is_host)
  2062			features = VSOCK_TRANSPORT_F_H2G;
  2063		else
  2064			features = VSOCK_TRANSPORT_F_G2H;
  2065	
  2066		vsock_core_register(&vmci_transport, features);
  2067	}
  2068	

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Attachment: .config.gz
Description: application/gzip