Hi Andy, [auto build test WARNING on usb/usb-testing] [also build test WARNING on v4.12-rc4 next-20170609] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Andy-Shevchenko/usb-misc-usbsevseg-Use-__sysfs_match_string-helper/20170610-055240 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing config: x86_64-randconfig-b0-06101036 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/usb/misc/usbsevseg.c: In function 'set_attr_textmode': >> drivers/usb/misc/usbsevseg.c:307: warning: passing argument 1 of '__sysfs_match_string' from incompatible pointer type include/linux/string.h:146: note: expected 'const char * const*' but argument is of type 'char **' vim +/__sysfs_match_string +307 drivers/usb/misc/usbsevseg.c 291 strcat(buf, " "); 292 } 293 } 294 strcat(buf, "\n"); 295 296 297 return strlen(buf); 298 } 299 300 static ssize_t set_attr_textmode(struct device *dev, 301 struct device_attribute *attr, const char *buf, size_t count) 302 { 303 struct usb_interface *intf = to_usb_interface(dev); 304 struct usb_sevsegdev *mydev = usb_get_intfdata(intf); 305 int i; 306 > 307 i = __sysfs_match_string(display_textmodes, -1, buf); 308 if (i < 0) 309 return i; 310 311 mydev->textmode = i; 312 update_display_visual(mydev, GFP_KERNEL); 313 return count; 314 } 315 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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