Hi William, [auto build test WARNING on iio/togreg] [cannot apply to v4.13-rc3 next-20170731] [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/William-Breathitt-Gray/iio-Introduce-the-generic-counter-interface/20170801-050943 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): drivers/iio/industrialio-counter.c: In function '__iio_counter_value_ext_info_alloc': >> drivers/iio/industrialio-counter.c:466:23: warning: assignment makes integer from pointer without a cast ext_info[i].private = (void *)&trigger_pos->signal->id; ^ drivers/iio/industrialio-counter.c:476:23: warning: assignment makes integer from pointer without a cast ext_info[i].private = (void *)&trigger_pos->signal->id; ^ vim +466 drivers/iio/industrialio-counter.c 388 389 static int __iio_counter_value_ext_info_alloc(struct iio_chan_spec *const chan, 390 struct iio_counter_value *const value) 391 { 392 const struct iio_chan_spec_ext_info ext_info_default[] = { 393 { 394 .name = "name", 395 .shared = IIO_SEPARATE, 396 .read = __iio_counter_value_name_read 397 }, 398 IIO_ENUM("function", IIO_SEPARATE, &value->function_enum), 399 { 400 .name = "function_available", 401 .shared = IIO_SEPARATE, 402 .read = iio_enum_available_read, 403 .private = (uintptr_t)((void *)&value->function_enum) 404 }, 405 { 406 .name = "triggers", 407 .shared = IIO_SEPARATE, 408 .read = __iio_counter_value_triggers_read 409 } 410 }; 411 const size_t num_default = ARRAY_SIZE(ext_info_default); 412 const struct iio_chan_spec_ext_info ext_info_trigger[] = { 413 { 414 .shared = IIO_SEPARATE, 415 .read = __iio_counter_trigger_mode_read, 416 .write = __iio_counter_trigger_mode_write 417 }, 418 { 419 .shared = IIO_SEPARATE, 420 .read = __iio_counter_trigger_mode_available_read 421 } 422 }; 423 const size_t num_ext_info_trigger = ARRAY_SIZE(ext_info_trigger); 424 const struct list_head *pos; 425 size_t num_triggers = 0; 426 size_t num_triggers_ext_info; 427 size_t num_ext_info; 428 int err; 429 struct iio_chan_spec_ext_info *ext_info; 430 const struct iio_counter_trigger *trigger_pos; 431 size_t i; 432 433 value->function_enum.items = value->function_modes; 434 value->function_enum.num_items = value->num_function_modes; 435 value->function_enum.set = __iio_counter_value_function_set; 436 value->function_enum.get = __iio_counter_value_function_get; 437 438 mutex_lock(&value->trigger_list_lock); 439 440 list_for_each(pos, &value->trigger_list) 441 num_triggers++; 442 443 num_triggers_ext_info = num_ext_info_trigger * num_triggers; 444 num_ext_info = num_default + num_triggers_ext_info + 1; 445 446 ext_info = kmalloc_array(num_ext_info, sizeof(*ext_info), GFP_KERNEL); 447 if (!ext_info) { 448 err = -ENOMEM; 449 goto err_ext_info_alloc; 450 } 451 ext_info[num_ext_info - 1].name = NULL; 452 453 memcpy(ext_info, ext_info_default, sizeof(ext_info_default)); 454 for (i = 0; i < num_triggers_ext_info; i += num_ext_info_trigger) 455 memcpy(ext_info + num_default + i, ext_info_trigger, 456 sizeof(ext_info_trigger)); 457 458 i = num_default; 459 list_for_each_entry(trigger_pos, &value->trigger_list, list) { 460 ext_info[i].name = kasprintf(GFP_KERNEL, "trigger_signal%d-%d", 461 chan->channel, trigger_pos->signal->id); 462 if (!ext_info[i].name) { 463 err = -ENOMEM; 464 goto err_name_alloc; 465 } > 466 ext_info[i].private = (void *)&trigger_pos->signal->id; 467 i++; 468 469 ext_info[i].name = kasprintf(GFP_KERNEL, 470 "trigger_signal%d-%d_available", 471 chan->channel, trigger_pos->signal->id); 472 if (!ext_info[i].name) { 473 err = -ENOMEM; 474 goto err_name_alloc; 475 } 476 ext_info[i].private = (void *)&trigger_pos->signal->id; 477 i++; 478 } 479 480 chan->ext_info = ext_info; 481 482 mutex_unlock(&value->trigger_list_lock); 483 484 return 0; 485 486 err_name_alloc: 487 while (i-- > num_default) 488 kfree(ext_info[i].name); 489 kfree(ext_info); 490 err_ext_info_alloc: 491 mutex_unlock(&value->trigger_list_lock); 492 return err; 493 } 494 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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