tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup head: b1494ab6cdfdf79167ae2e9054d57e86a4130f5f commit: 13e71424e523cd0da6095ac037ed2ecdf0424f68 [151/155] gpio: mockup: no need to check return value of debugfs_create functions config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 13e71424e523cd0da6095ac037ed2ecdf0424f68 # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpio/gpio-mockup.c: In function 'gpio_mockup_debugfs_setup': >> drivers/gpio/gpio-mockup.c:336:4: error: label 'err' used but not defined goto err; ^~~~ drivers/gpio/gpio-mockup.c:318:17: warning: unused variable 'evfile' [-Wunused-variable] struct dentry *evfile; ^~~~~~ vim +/err +336 drivers/gpio/gpio-mockup.c 9202ba23 Bartosz Golaszewski 2017-02-06 313 9202ba23 Bartosz Golaszewski 2017-02-06 314 static void gpio_mockup_debugfs_setup(struct device *dev, 9202ba23 Bartosz Golaszewski 2017-02-06 315 struct gpio_mockup_chip *chip) 9202ba23 Bartosz Golaszewski 2017-02-06 316 { 9202ba23 Bartosz Golaszewski 2017-02-06 317 struct gpio_mockup_dbgfs_private *priv; d51ee07a Bartosz Golaszewski 2019-01-17 318 struct dentry *evfile; 9202ba23 Bartosz Golaszewski 2017-02-06 319 struct gpio_chip *gc; ca8792af Bartosz Golaszewski 2017-11-27 320 const char *devname; 9202ba23 Bartosz Golaszewski 2017-02-06 321 char *name; 9202ba23 Bartosz Golaszewski 2017-02-06 322 int i; 9202ba23 Bartosz Golaszewski 2017-02-06 323 9202ba23 Bartosz Golaszewski 2017-02-06 324 gc = &chip->gc; ca8792af Bartosz Golaszewski 2017-11-27 325 devname = dev_name(&gc->gpiodev->dev); 9202ba23 Bartosz Golaszewski 2017-02-06 326 ca8792af Bartosz Golaszewski 2017-11-27 327 chip->dbg_dir = debugfs_create_dir(devname, gpio_mockup_dbg_dir); 9202ba23 Bartosz Golaszewski 2017-02-06 328 9202ba23 Bartosz Golaszewski 2017-02-06 329 for (i = 0; i < gc->ngpio; i++) { 9202ba23 Bartosz Golaszewski 2017-02-06 330 name = devm_kasprintf(dev, GFP_KERNEL, "%d", i); 9202ba23 Bartosz Golaszewski 2017-02-06 331 if (!name) 9202ba23 Bartosz Golaszewski 2017-02-06 332 goto err; 9202ba23 Bartosz Golaszewski 2017-02-06 333 9202ba23 Bartosz Golaszewski 2017-02-06 334 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 9202ba23 Bartosz Golaszewski 2017-02-06 335 if (!priv) 9202ba23 Bartosz Golaszewski 2017-02-06 @336 goto err; 9202ba23 Bartosz Golaszewski 2017-02-06 337 9202ba23 Bartosz Golaszewski 2017-02-06 338 priv->chip = chip; 9202ba23 Bartosz Golaszewski 2017-02-06 339 priv->offset = i; 9202ba23 Bartosz Golaszewski 2017-02-06 340 priv->desc = &gc->gpiodev->descs[i]; 9202ba23 Bartosz Golaszewski 2017-02-06 341 13e71424 Greg Kroah-Hartman 2019-06-18 342 debugfs_create_file(name, 0200, chip->dbg_dir, priv, 2a9e2740 Bartosz Golaszewski 2019-01-17 343 &gpio_mockup_debugfs_ops); 9202ba23 Bartosz Golaszewski 2017-02-06 344 } 9202ba23 Bartosz Golaszewski 2017-02-06 345 9202ba23 Bartosz Golaszewski 2017-02-06 346 return; 9202ba23 Bartosz Golaszewski 2017-02-06 347 } 9202ba23 Bartosz Golaszewski 2017-02-06 348 :::::: The code at line 336 was first introduced by commit :::::: 9202ba2397d1ded79078606c6921787b27a85e1a gpio: mockup: implement event injecting over debugfs :::::: TO: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> :::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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