[linux-next:master 13900/14187] drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c:228:13: warning: unused variable 'ret'

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   e7528c088874326d3060a46f572252be43755a86
commit: 0688d3b1d882dd1dcf73305306e71ebf1653f595 [13900/14187] fbdev: panel-tpo-td043mtea1: Convert sprintf() to sysfs_emit()
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20240321/202403211931.wVl6ymAV-lkp@xxxxxxxxx/config)
compiler: sh4-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240321/202403211931.wVl6ymAV-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/202403211931.wVl6ymAV-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c: In function 'tpo_td043_gamma_show':
>> drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c:228:13: warning: unused variable 'ret' [-Wunused-variable]
     228 |         int ret;
         |             ^~~


vim +/ret +228 drivers/video/fbdev/omap2/omapfb/displays/panel-tpo-td043mtea1.c

f76ee892a99e68 Tomi Valkeinen 2015-12-09  222  
f76ee892a99e68 Tomi Valkeinen 2015-12-09  223  static ssize_t tpo_td043_gamma_show(struct device *dev,
f76ee892a99e68 Tomi Valkeinen 2015-12-09  224  	struct device_attribute *attr, char *buf)
f76ee892a99e68 Tomi Valkeinen 2015-12-09  225  {
f76ee892a99e68 Tomi Valkeinen 2015-12-09  226  	struct panel_drv_data *ddata = dev_get_drvdata(dev);
f76ee892a99e68 Tomi Valkeinen 2015-12-09  227  	ssize_t len = 0;
f76ee892a99e68 Tomi Valkeinen 2015-12-09 @228  	int ret;
f76ee892a99e68 Tomi Valkeinen 2015-12-09  229  	int i;
f76ee892a99e68 Tomi Valkeinen 2015-12-09  230  
0688d3b1d882dd Li Zhijian     2024-03-19  231  	for (i = 0; i < ARRAY_SIZE(ddata->gamma); i++)
0688d3b1d882dd Li Zhijian     2024-03-19  232  		len += sysfs_emit_at(buf, len, "%u ", ddata->gamma[i]);
0688d3b1d882dd Li Zhijian     2024-03-19  233  	if (len)
f76ee892a99e68 Tomi Valkeinen 2015-12-09  234  		buf[len - 1] = '\n';
f76ee892a99e68 Tomi Valkeinen 2015-12-09  235  
f76ee892a99e68 Tomi Valkeinen 2015-12-09  236  	return len;
f76ee892a99e68 Tomi Valkeinen 2015-12-09  237  }
f76ee892a99e68 Tomi Valkeinen 2015-12-09  238  

:::::: The code at line 228 was first introduced by commit
:::::: f76ee892a99e68b55402b8d4b8aeffcae2aff34d omapfb: copy omapdss & displays for omapfb

:::::: TO: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
:::::: CC: Tomi Valkeinen <tomi.valkeinen@xxxxxx>

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




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