Re: [PATCH RFC net-next v3 4/8] vsock: make vsock bind reusable

[kernel test robot <lkp@intel.com>]

Hi Bobby,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

[auto build test WARNING on ed72bd5a6790a0c3747cb32b0427f921bd03bb71]

url:    https://github.com/intel-lab-lkp/linux/commits/Bobby-Eshleman/vsock-dgram-generalize-recvmsg-and-drop-transport-dgram_dequeue/20230531-084049
base:   ed72bd5a6790a0c3747cb32b0427f921bd03bb71
patch link:    https://lore.kernel.org/r/20230413-b4-vsock-dgram-v3-4-c2414413ef6a%40bytedance.com
patch subject: [PATCH RFC net-next v3 4/8] vsock: make vsock bind reusable
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230531/202305312235.q28W20Eh-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/f69c7f6d6d618c47334134277ad9a2d3877020f5
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Bobby-Eshleman/vsock-dgram-generalize-recvmsg-and-drop-transport-dgram_dequeue/20230531-084049
        git checkout f69c7f6d6d618c47334134277ad9a2d3877020f5
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash net/vmw_vsock/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305312235.q28W20Eh-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> net/vmw_vsock/af_vsock.c:233:14: warning: no previous prototype for 'vsock_find_bound_socket_common' [-Wmissing-prototypes]
     233 | struct sock *vsock_find_bound_socket_common(struct sockaddr_vm *addr,
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> net/vmw_vsock/af_vsock.c:652:5: warning: no previous prototype for 'vsock_bind_common' [-Wmissing-prototypes]
     652 | int vsock_bind_common(struct vsock_sock *vsk,
         |     ^~~~~~~~~~~~~~~~~
>> net/vmw_vsock/af_vsock.c:720:5: warning: no previous prototype for 'vsock_bind_stream' [-Wmissing-prototypes]
     720 | int vsock_bind_stream(struct vsock_sock *vsk,
         |     ^~~~~~~~~~~~~~~~~


vim +/vsock_find_bound_socket_common +233 net/vmw_vsock/af_vsock.c

   232	
 > 233	struct sock *vsock_find_bound_socket_common(struct sockaddr_vm *addr,
   234						    struct list_head *bind_table)
   235	{
   236		struct vsock_sock *vsk;
   237	
   238		list_for_each_entry(vsk, bind_table, bound_table) {
   239			if (vsock_addr_equals_addr(addr, &vsk->local_addr))
   240				return sk_vsock(vsk);
   241	
   242			if (addr->svm_port == vsk->local_addr.svm_port &&
   243			    (vsk->local_addr.svm_cid == VMADDR_CID_ANY ||
   244			     addr->svm_cid == VMADDR_CID_ANY))
   245				return sk_vsock(vsk);
   246		}
   247	
   248		return NULL;
   249	}
   250	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki