tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: af7b4801030c07637840191c69eb666917e4135d commit: 0096214a59a72b3c3c943e27bd03307324d3ce0f staging: wfx: add support for I/O access date: 8 months ago config: i386-randconfig-c024-20200607 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; coccinelle warnings: (new ones prefixed by >>) vim +47 drivers/staging/wfx/main.c 30 31 struct gpio_desc *wfx_get_gpio(struct device *dev, int override, const char *label) 32 { 33 struct gpio_desc *ret; 34 char label_buf[256]; 35 36 if (override >= 0) { 37 snprintf(label_buf, sizeof(label_buf), "wfx_%s", label); 38 ret = ERR_PTR(devm_gpio_request_one(dev, override, GPIOF_OUT_INIT_LOW, label_buf)); 39 if (!ret) 40 ret = gpio_to_desc(override); 41 } else if (override == -1) { 43 } else { 44 ret = devm_gpiod_get(dev, label, GPIOD_OUT_LOW); 45 } 46 if (IS_ERR(ret) || !ret) { 48 dev_warn(dev, "gpio %s is not defined\n", label); 49 else 50 dev_warn(dev, "error while requesting gpio %s\n", label); 51 ret = NULL; 52 } else { 53 dev_dbg(dev, "using gpio %d for %s\n", desc_to_gpio(ret), label); 54 } 55 return ret; 56 } 57 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org