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From: kernel test robot <lkp@intel.com>
To: xujiahao <xujiahao@cmss.chinamobile.com>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-input@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	xujiahao <xujiahao@cmss.chinamobile.com>
Subject: Re: [PATCH v2] Input: sidewinder - use scnprintf() for the port names
Date: Tue, 10 Nov 2026 04:08:39 +0800	[thread overview]
Message-ID: <202611100328.QAelfSpD-lkp@intel.com> (raw)
In-Reply-To: <20261109010548.438699-1-xujiahao@cmss.chinamobile.com>

Hi xujiahao,

kernel test robot noticed the following build errors:

[auto build test ERROR on dtor-input/next]
[also build test ERROR on dtor-input/for-linus hid/for-next linus/master v7.4-rc2 next-20261109]
[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/xujiahao/Input-sidewinder-use-scnprintf-for-the-port-names/20261109-090548
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link:    https://lore.kernel.org/r/20261109010548.438699-1-xujiahao%40cmss.chinamobile.com
patch subject: [PATCH v2] Input: sidewinder - use scnprintf() for the port names
config: i386-randconfig-1006-20261109 (https://download.01.org/0day-ci/archive/20261110/202611100328.QAelfSpD-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261110/202611100328.QAelfSpD-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/202611100328.QAelfSpD-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: drivers/input/joystick/sidewinder.o: in function `sw_3dp_id':
>> drivers/input/joystick/sidewinder.c:542:(.text+0x1630): undefined reference to `__umoddi3'
>> ld: drivers/input/joystick/sidewinder.c:540:(.text+0x1652): undefined reference to `__udivdi3'


vim +542 drivers/input/joystick/sidewinder.c

   519	
   520	/*
   521	 * sw_3dp_id() translates the 3DP id into a human legible string.
   522	 * Unfortunately I don't know how to do this for the other SW types.
   523	 */
   524	
   525	static void sw_3dp_id(unsigned char *buf, char *comment, size_t size)
   526	{
   527		int i;
   528		char pnp[8], rev[9];
   529	
   530		for (i = 0; i < 7; i++)						/* ASCII PnP ID */
   531			pnp[i] = sw_get_bits(buf, 24+8*i, 8, 1);
   532	
   533		for (i = 0; i < 8; i++)						/* ASCII firmware revision */
   534			rev[i] = sw_get_bits(buf, 88+8*i, 8, 1);
   535	
   536		pnp[7] = rev[8] = 0;
   537	
   538		scnprintf(comment, size, " [PnP %d.%02d id %s rev %s]",
   539			  (int)(((sw_get_bits(buf, 8, 6, 1) << 6) |	/* Two 6-bit values */
 > 540				  sw_get_bits(buf, 16, 6, 1)) / 100),
   541			  (int)(((sw_get_bits(buf, 8, 6, 1) << 6) |
 > 542				  sw_get_bits(buf, 16, 6, 1)) % 100),
   543			  pnp, rev);
   544	}
   545	

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

      parent reply	other threads:[~2026-11-09 20:09 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-06  3:33 [PATCH] Input: sidewinder - size the name buffers to their formats xujiahao
2026-11-08  6:33 ` Dmitry Torokhov
2026-11-09  1:05 ` [PATCH v2] Input: sidewinder - use scnprintf() for the port names xujiahao
2026-11-09 10:45   ` kernel test robot
2026-11-09 20:08   ` kernel test robot [this message]

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