[hare-scsi-devel:tls-upcall.v4 127/156] include/net/tls.h:374:1: error: unknown type name 'key_ref_t'; did you mean 'key_ref_put'?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git tls-upcall.v4
head:   d2416ecdb6b03fc2e4aa40b20cdf919322713224
commit: 97a450fed0d4ce4978d51685dcca85f9e8b71811 [127/156] net/tls: register '.tls' keyring
config: arc-defconfig (https://download.01.org/0day-ci/archive/20220313/202203132226.RxMqrn2n-lkp@xxxxxxxxx/config)
compiler: arc-elf-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git/commit/?id=97a450fed0d4ce4978d51685dcca85f9e8b71811
        git remote add hare-scsi-devel https://git.kernel.org/pub/scm/linux/kernel/git/hare/scsi-devel.git
        git fetch --no-tags hare-scsi-devel tls-upcall.v4
        git checkout 97a450fed0d4ce4978d51685dcca85f9e8b71811
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross 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@xxxxxxxxx>

All errors (new ones prefixed by >>):

   In file included from net/core/filter.c:79:
>> include/net/tls.h:374:1: error: unknown type name 'key_ref_t'; did you mean 'key_ref_put'?
     374 | key_ref_t tls_psk_refresh(char *identity, u8 *data, size_t data_len);
         | ^~~~~~~~~
         | key_ref_put
   include/net/tls.h:375:1: error: unknown type name 'key_ref_t'; did you mean 'key_ref_put'?
     375 | key_ref_t tls_psk_lookup(char *identity);
         | ^~~~~~~~~
         | key_ref_put


vim +374 include/net/tls.h

   370	
   371	int tlsh_pf_create(struct net *net, struct socket *sock, int protocol,
   372			   int kern);
   373	
 > 374	key_ref_t tls_psk_refresh(char *identity, u8 *data, size_t data_len);
   375	key_ref_t tls_psk_lookup(char *identity);
   376	

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