Helge Should I send a new version(v4) to fix this. Thanks Zhijian On 21/03/2024 19:56, kernel test robot wrote: > 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> >