linux-kernel - Re: [PATCH 1/3] usb: gadget: function: 9pfs

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Date: Wed, 17 Jan 2024 08:02:11 +0800
From: kernel test robot <lkp@...el.com>
To: Michael Grzeschik <m.grzeschik@...gutronix.de>,
	Eric Van Hensbergen <ericvh@...nel.org>,
	Latchesar Ionkov <lucho@...kov.net>,
	Dominique Martinet <asmadeus@...ewreck.org>,
	Christian Schoenebeck <linux_oss@...debyte.com>,
	Jonathan Corbet <corbet@....net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: oe-kbuild-all@...ts.linux.dev, v9fs@...ts.linux.dev,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, kernel@...gutronix.de,
	Michael Grzeschik <m.grzeschik@...gutronix.de>
Subject: Re: [PATCH 1/3] usb: gadget: function: 9pfs

Hi Michael,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 052d534373b7ed33712a63d5e17b2b6cdbce84fd]

url:    https://github.com/intel-lab-lkp/linux/commits/Michael-Grzeschik/usb-gadget-function-9pfs/20240116-095914
base:   052d534373b7ed33712a63d5e17b2b6cdbce84fd
patch link:    https://lore.kernel.org/r/20240116-ml-topic-u9p-v1-1-ad8c306f9a4e%40pengutronix.de
patch subject: [PATCH 1/3] usb: gadget: function: 9pfs
config: microblaze-randconfig-r132-20240117 (https://download.01.org/0day-ci/archive/20240117/202401170734.7rHBG2LF-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240117/202401170734.7rHBG2LF-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401170734.7rHBG2LF-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/usb/gadget/function/f_9pfs.c:825:12: sparse: sparse: symbol 'usb9pfs_modinit' was not declared. Should it be static?
>> drivers/usb/gadget/function/f_9pfs.c:838:13: sparse: sparse: symbol 'usb9pfs_modexit' was not declared. Should it be static?

vim +/usb9pfs_modinit +825 drivers/usb/gadget/function/f_9pfs.c

   824	
 > 825	int __init usb9pfs_modinit(void)
   826	{
   827		int ret;
   828	
   829		INIT_LIST_HEAD(&usbg_function_list);
   830	
   831		ret = usb_function_register(&usb9pfsusb_func);
   832		if (!ret)
   833			v9fs_register_trans(&p9_usbg_trans);
   834	
   835		return ret;
   836	}
   837	
 > 838	void __exit usb9pfs_modexit(void)
   839	{
   840		usb_function_unregister(&usb9pfsusb_func);
   841		v9fs_unregister_trans(&p9_usbg_trans);
   842	}
   843	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki