Hi Dmitry, [auto build test WARNING on hid/for-next] [also build test WARNING on v4.12-rc3 next-20170531] [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/Dmitry-Torokhov/HID-Consolidate-serializing-ope-close-in-transport-drivers/20170601-092350 base: https://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git for-next config: x86_64-randconfig-h0-06010835 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from arch/x86/include/asm/bitops.h:15:0, from include/linux/bitops.h:36, from drivers/staging/greybus/hid.c:10: drivers/staging/greybus/hid.c: In function 'gb_hid_open': drivers/staging/greybus/hid.c:352:10: error: 'struct hid_device' has no member named 'open' if (!hid->open++) { ^ include/linux/compiler.h:160:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ >> drivers/staging/greybus/hid.c:352:2: note: in expansion of macro 'if' if (!hid->open++) { ^ drivers/staging/greybus/hid.c:352:10: error: 'struct hid_device' has no member named 'open' if (!hid->open++) { ^ include/linux/compiler.h:160:42: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ >> drivers/staging/greybus/hid.c:352:2: note: in expansion of macro 'if' if (!hid->open++) { ^ drivers/staging/greybus/hid.c:352:10: error: 'struct hid_device' has no member named 'open' if (!hid->open++) { ^ include/linux/compiler.h:171:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ >> drivers/staging/greybus/hid.c:352:2: note: in expansion of macro 'if' if (!hid->open++) { ^ drivers/staging/greybus/hid.c:355:7: error: 'struct hid_device' has no member named 'open' hid->open--; ^ In file included from arch/x86/include/asm/bitops.h:15:0, from include/linux/bitops.h:36, from drivers/staging/greybus/hid.c:10: drivers/staging/greybus/hid.c: In function 'gb_hid_close': drivers/staging/greybus/hid.c:374:12: error: 'struct hid_device' has no member named 'open' if (!--hid->open) { ^ include/linux/compiler.h:160:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ drivers/staging/greybus/hid.c:374:2: note: in expansion of macro 'if' if (!--hid->open) { ^ drivers/staging/greybus/hid.c:374:12: error: 'struct hid_device' has no member named 'open' if (!--hid->open) { ^ include/linux/compiler.h:160:42: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ drivers/staging/greybus/hid.c:374:2: note: in expansion of macro 'if' if (!--hid->open) { ^ drivers/staging/greybus/hid.c:374:12: error: 'struct hid_device' has no member named 'open' if (!--hid->open) { ^ include/linux/compiler.h:171:16: note: in definition of macro '__trace_if' ______r = !!(cond); \ ^ drivers/staging/greybus/hid.c:374:2: note: in expansion of macro 'if' if (!--hid->open) { ^ vim +/if +352 drivers/staging/greybus/hid.c 96eab779 Viresh Kumar 2015-03-16 336 return 0; 96eab779 Viresh Kumar 2015-03-16 337 } 96eab779 Viresh Kumar 2015-03-16 338 96eab779 Viresh Kumar 2015-03-16 339 static void gb_hid_stop(struct hid_device *hid) 96eab779 Viresh Kumar 2015-03-16 340 { 96eab779 Viresh Kumar 2015-03-16 341 struct gb_hid *ghid = hid->driver_data; 96eab779 Viresh Kumar 2015-03-16 342 96eab779 Viresh Kumar 2015-03-16 343 gb_hid_free_buffers(ghid); 96eab779 Viresh Kumar 2015-03-16 344 } 96eab779 Viresh Kumar 2015-03-16 345 96eab779 Viresh Kumar 2015-03-16 346 static int gb_hid_open(struct hid_device *hid) 96eab779 Viresh Kumar 2015-03-16 347 { 96eab779 Viresh Kumar 2015-03-16 348 struct gb_hid *ghid = hid->driver_data; 96eab779 Viresh Kumar 2015-03-16 349 int ret = 0; 96eab779 Viresh Kumar 2015-03-16 350 96eab779 Viresh Kumar 2015-03-16 351 mutex_lock(&gb_hid_open_mutex); 96eab779 Viresh Kumar 2015-03-16 @352 if (!hid->open++) { 96eab779 Viresh Kumar 2015-03-16 353 ret = gb_hid_set_power(ghid, GB_HID_TYPE_PWR_ON); 96eab779 Viresh Kumar 2015-03-16 354 if (ret < 0) 96eab779 Viresh Kumar 2015-03-16 355 hid->open--; 96eab779 Viresh Kumar 2015-03-16 356 else 96eab779 Viresh Kumar 2015-03-16 357 set_bit(GB_HID_STARTED, &ghid->flags); 96eab779 Viresh Kumar 2015-03-16 358 } 96eab779 Viresh Kumar 2015-03-16 359 mutex_unlock(&gb_hid_open_mutex); 96eab779 Viresh Kumar 2015-03-16 360 :::::: The code at line 352 was first introduced by commit :::::: 96eab779e1985fd0b39426d288d3af38e3bce50c greybus: hid: add HID class driver :::::: TO: Viresh Kumar <viresh.kumar@xxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <greg@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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