[snitzer:nfs-localio-for-6.11 7/29] include/linux/sunrpc/addr.h:100:15: warning: 'rpc_ntop6_addr_noscopeid' defined but not used

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/snitzer/linux.git nfs-localio-for-6.11
head:   252b0c685ae2eafa0ced0682a496e9eecf23d1ff
commit: 8302af091458963dc2eb9774c0e47d036c8c1854 [7/29] sunrpc: add and export rpc_ntop6_addr_noscopeid
config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20240606/202406060941.2fEwSeJc-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240606/202406060941.2fEwSeJc-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406060941.2fEwSeJc-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from net/sunrpc/clnt.c:37:
>> include/linux/sunrpc/addr.h:100:15: warning: 'rpc_ntop6_addr_noscopeid' defined but not used [-Wunused-function]
     100 | static size_t rpc_ntop6_addr_noscopeid(const struct in6_addr *addr,
         |               ^~~~~~~~~~~~~~~~~~~~~~~~
   net/sunrpc/clnt.c: In function 'rpc_create':
   net/sunrpc/clnt.c:582:75: warning: '%s' directive output may be truncated writing up to 107 bytes into a region of size 48 [-Wformat-truncation=]
     582 |                                 snprintf(servername, sizeof(servername), "%s",
         |                                                                           ^~
   net/sunrpc/clnt.c:582:33: note: 'snprintf' output between 1 and 108 bytes into a destination of size 48
     582 |                                 snprintf(servername, sizeof(servername), "%s",
         |                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     583 |                                          sun->sun_path);
         |                                          ~~~~~~~~~~~~~~
--
   In file included from net/sunrpc/xprtsock.c:37:
>> include/linux/sunrpc/addr.h:100:15: warning: 'rpc_ntop6_addr_noscopeid' defined but not used [-Wunused-function]
     100 | static size_t rpc_ntop6_addr_noscopeid(const struct in6_addr *addr,
         |               ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/rpc_ntop6_addr_noscopeid +100 include/linux/sunrpc/addr.h

    87	
    88	static inline bool __rpc_copy_addr6(struct sockaddr *dst,
    89					    const struct sockaddr *src)
    90	{
    91		const struct sockaddr_in6 *ssin6 = (const struct sockaddr_in6 *) src;
    92		struct sockaddr_in6 *dsin6 = (struct sockaddr_in6 *) dst;
    93	
    94		dsin6->sin6_family = ssin6->sin6_family;
    95		dsin6->sin6_addr = ssin6->sin6_addr;
    96		dsin6->sin6_scope_id = ssin6->sin6_scope_id;
    97		return true;
    98	}
    99	#else	/* !(IS_ENABLED(CONFIG_IPV6) */
 > 100	static size_t rpc_ntop6_addr_noscopeid(const struct in6_addr *addr,
   101					       char *buf, const int buflen)
   102	{
   103		return 0;
   104	}
   105	

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