[ammarfaizi2-block:dhowells/linux-fs/rxrpc-ringless 19/24] net/rxrpc/output.c:26: undefined reference to `udpv6_sendmsg'

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

tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/rxrpc-ringless
head:   14d1ef9d0da567ca88d30b4c79706079cc997e9f
commit: fdcaaadfeb4a8eec32fe3855be0e5e3c3add5592 [19/24] rxrpc: Call udp_sendmsg() directly
config: arc-randconfig-r043-20220428 (https://download.01.org/0day-ci/archive/20220430/202204300328.igesKwMU-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/ammarfaizi2/linux-block/commit/fdcaaadfeb4a8eec32fe3855be0e5e3c3add5592
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/rxrpc-ringless
        git checkout fdcaaadfeb4a8eec32fe3855be0e5e3c3add5592
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   arceb-elf-ld: net/rxrpc/output.o: in function `do_udp_sendmsg':
>> net/rxrpc/output.c:26: undefined reference to `udpv6_sendmsg'
>> arceb-elf-ld: net/rxrpc/output.c:26: undefined reference to `udpv6_sendmsg'
>> arceb-elf-ld: net/rxrpc/output.c:26: undefined reference to `udpv6_sendmsg'
>> arceb-elf-ld: net/rxrpc/output.c:26: undefined reference to `udpv6_sendmsg'
>> arceb-elf-ld: net/rxrpc/output.c:26: undefined reference to `udpv6_sendmsg'
   arceb-elf-ld: net/rxrpc/output.o:net/rxrpc/output.c:26: more undefined references to `udpv6_sendmsg' follow
   pahole: .tmp_vmlinux.btf: No such file or directory
   .btf.vmlinux.bin.o: file not recognized: file format not recognized


vim +26 net/rxrpc/output.c

    20	
    21	static ssize_t do_udp_sendmsg(struct socket *sk, struct msghdr *msg, size_t len)
    22	{
    23		struct sockaddr *sa = msg->msg_name;
    24	
    25		if (sa->sa_family == AF_INET6)
  > 26			return udpv6_sendmsg(sk->sk, msg, len);
    27		return udp_sendmsg(sk->sk, msg, len);
    28	}
    29	

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