Re: [PATCH] USB: gadget: Fix the function name error in sourcesink/loopback.

[kernel test robot]

Hi zhouscd,

kernel test robot noticed the following build errors:

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on usb/usb-next usb/usb-linus linus/master v6.5-rc4 next-20230801]
[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/zhouscd/USB-gadget-Fix-the-function-name-error-in-sourcesink-loopback/20230801-125745
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link:    https://lore.kernel.org/r/20230801045449.156348-1-zhouscd%40gmail.com
patch subject: [PATCH] USB: gadget: Fix the function name error in sourcesink/loopback.
config: x86_64-buildonly-randconfig-r003-20230731 (https://download.01.org/0day-ci/archive/20230802/202308020504.tNlWrHXN-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230802/202308020504.tNlWrHXN-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308020504.tNlWrHXN-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   ld: drivers/usb/gadget/function/f_sourcesink.o: in function `sourcesinkmod_init':
>> drivers/usb/gadget/function/f_sourcesink.c:1266: multiple definition of `init_module'; drivers/usb/gadget/function/f_loopback.o:drivers/usb/gadget/function/f_loopback.c:586: first defined here
   ld: drivers/usb/gadget/function/f_sourcesink.o: in function `sourcesinkmod_exit':
>> drivers/usb/gadget/function/f_sourcesink.c:1266: multiple definition of `cleanup_module'; drivers/usb/gadget/function/f_loopback.o:drivers/usb/gadget/function/f_loopback.c:586: first defined here


vim +1266 drivers/usb/gadget/function/f_sourcesink.c

  1245	
  1246	static struct usb_function_instance *source_sink_alloc_inst(void)
  1247	{
  1248		struct f_ss_opts *ss_opts;
  1249	
  1250		ss_opts = kzalloc(sizeof(*ss_opts), GFP_KERNEL);
  1251		if (!ss_opts)
  1252			return ERR_PTR(-ENOMEM);
  1253		mutex_init(&ss_opts->lock);
  1254		ss_opts->func_inst.free_func_inst = source_sink_free_instance;
  1255		ss_opts->isoc_interval = GZERO_ISOC_INTERVAL;
  1256		ss_opts->isoc_maxpacket = GZERO_ISOC_MAXPACKET;
  1257		ss_opts->bulk_buflen = GZERO_BULK_BUFLEN;
  1258		ss_opts->bulk_qlen = GZERO_SS_BULK_QLEN;
  1259		ss_opts->iso_qlen = GZERO_SS_ISO_QLEN;
  1260	
  1261		config_group_init_type_name(&ss_opts->func_inst.group, "",
  1262					    &ss_func_type);
  1263	
  1264		return &ss_opts->func_inst;
  1265	}
> 1266	DECLARE_USB_FUNCTION_INIT(sourcesink, source_sink_alloc_inst,

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