Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on trondmy-nfs/linux-next]
[also build test ERROR on net/main net-next/main linus/master linux-nvme/for-next v6.17-rc4 next-20250905]
[cannot apply to horms-ipvs/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/alistair23-gmail-com/net-handshake-Store-the-key-serial-number-on-completion/20250905-105201
base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
patch link:    https://lore.kernel.org/r/20250905024659.811386-3-alistair.francis%40wdc.com
patch subject: [PATCH v2 2/7] net/handshake: Make handshake_req_cancel public
config: x86_64-randconfig-001-20250905 (https://download.01.org/0day-ci/archive/20250905/202509052149.ChcoGfkh-lkp@intel.com/config)
compiler: gcc-13 (Debian 13.3.0-16) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250905/202509052149.ChcoGfkh-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202509052149.ChcoGfkh-lkp@intel.com/ (local)

All errors (new ones prefixed by >>):

   net/handshake/handshake-test.c: In function 'handshake_req_submit_test4':

quoted

net/handshake/handshake-test.c:237:9: error: implicit declaration of function 'handshake_req_cancel'; did you mean 'handshake_req_next'? [-Werror=implicit-function-declaration]

     237 |         handshake_req_cancel(sock->sk);
         |         ^~~~~~~~~~~~~~~~~~~~
         |         handshake_req_next
   cc1: some warnings being treated as errors


vim +237 net/handshake/handshake-test.c

88232ec1ec5ecf Chuck Lever 2023-04-17  207  
88232ec1ec5ecf Chuck Lever 2023-04-17  208  static void handshake_req_submit_test4(struct kunit *test)
88232ec1ec5ecf Chuck Lever 2023-04-17  209  {
88232ec1ec5ecf Chuck Lever 2023-04-17  210  	struct handshake_req *req, *result;
88232ec1ec5ecf Chuck Lever 2023-04-17  211  	struct socket *sock;
18c40a1cc1d990 Chuck Lever 2023-05-19  212  	struct file *filp;
88232ec1ec5ecf Chuck Lever 2023-04-17  213  	int err;
88232ec1ec5ecf Chuck Lever 2023-04-17  214  
88232ec1ec5ecf Chuck Lever 2023-04-17  215  	/* Arrange */
88232ec1ec5ecf Chuck Lever 2023-04-17  216  	req = handshake_req_alloc(&handshake_req_alloc_proto_good, GFP_KERNEL);
88232ec1ec5ecf Chuck Lever 2023-04-17  217  	KUNIT_ASSERT_NOT_NULL(test, req);
88232ec1ec5ecf Chuck Lever 2023-04-17  218  
88232ec1ec5ecf Chuck Lever 2023-04-17  219  	err = __sock_create(&init_net, PF_INET, SOCK_STREAM, IPPROTO_TCP,
88232ec1ec5ecf Chuck Lever 2023-04-17  220  			    &sock, 1);
88232ec1ec5ecf Chuck Lever 2023-04-17  221  	KUNIT_ASSERT_EQ(test, err, 0);
18c40a1cc1d990 Chuck Lever 2023-05-19  222  	filp = sock_alloc_file(sock, O_NONBLOCK, NULL);
18c40a1cc1d990 Chuck Lever 2023-05-19  223  	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, filp);
88232ec1ec5ecf Chuck Lever 2023-04-17  224  	KUNIT_ASSERT_NOT_NULL(test, sock->sk);
18c40a1cc1d990 Chuck Lever 2023-05-19  225  	sock->file = filp;
88232ec1ec5ecf Chuck Lever 2023-04-17  226  
88232ec1ec5ecf Chuck Lever 2023-04-17  227  	err = handshake_req_submit(sock, req, GFP_KERNEL);
88232ec1ec5ecf Chuck Lever 2023-04-17  228  	KUNIT_ASSERT_EQ(test, err, 0);
88232ec1ec5ecf Chuck Lever 2023-04-17  229  
88232ec1ec5ecf Chuck Lever 2023-04-17  230  	/* Act */
88232ec1ec5ecf Chuck Lever 2023-04-17  231  	result = handshake_req_hash_lookup(sock->sk);
88232ec1ec5ecf Chuck Lever 2023-04-17  232  
88232ec1ec5ecf Chuck Lever 2023-04-17  233  	/* Assert */
88232ec1ec5ecf Chuck Lever 2023-04-17  234  	KUNIT_EXPECT_NOT_NULL(test, result);
88232ec1ec5ecf Chuck Lever 2023-04-17  235  	KUNIT_EXPECT_PTR_EQ(test, req, result);
88232ec1ec5ecf Chuck Lever 2023-04-17  236  
88232ec1ec5ecf Chuck Lever 2023-04-17 @237  	handshake_req_cancel(sock->sk);
4a0f07d71b0483 Jinjie Ruan 2023-09-19  238  	fput(filp);
88232ec1ec5ecf Chuck Lever 2023-04-17  239  }
88232ec1ec5ecf Chuck Lever 2023-04-17  240  

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