Hi Martin, [auto build test WARNING on iio/togreg] [also build test WARNING on next-20170911] [cannot apply to v4.13] [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/Martin-Kepplinger/iio-adc-dln2-adc-initialize-local-struct-before-using-it/20170912-064250 base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg config: tile-allyesconfig (attached as .config) compiler: tilegx-linux-gcc (GCC) 4.6.2 reproduce: wget https://raw.githubusercontent.com/intel/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=tile All warnings (new ones prefixed by >>): drivers/iio/adc/dln2-adc.c: In function 'dln2_adc_trigger_h': >> drivers/iio/adc/dln2-adc.c:492:2: warning: missing braces around initializer [-Wmissing-braces] drivers/iio/adc/dln2-adc.c:492:2: warning: (near initialization for 'data.values') [-Wmissing-braces] vim +492 drivers/iio/adc/dln2-adc.c 484 485 static irqreturn_t dln2_adc_trigger_h(int irq, void *p) 486 { 487 struct iio_poll_func *pf = p; 488 struct iio_dev *indio_dev = pf->indio_dev; 489 struct { 490 __le16 values[DLN2_ADC_MAX_CHANNELS]; 491 int64_t timestamp_space; > 492 } data = { 0 }; 493 struct dln2_adc_get_all_vals dev_data; 494 struct dln2_adc *dln2 = iio_priv(indio_dev); 495 const struct dln2_adc_demux_table *t; 496 int ret, i; 497 498 mutex_lock(&dln2->mutex); 499 ret = dln2_adc_read_all(dln2, &dev_data); 500 mutex_unlock(&dln2->mutex); 501 if (ret < 0) 502 goto done; 503 504 /* Demux operation */ 505 for (i = 0; i < dln2->demux_count; ++i) { 506 t = &dln2->demux[i]; 507 memcpy((void *)data.values + t->to, 508 (void *)dev_data.values + t->from, t->length); 509 } 510 511 /* Zero padding space between values and timestamp */ 512 if (dln2->ts_pad_length) 513 memset((void *)data.values + dln2->ts_pad_offset, 514 0, dln2->ts_pad_length); 515 516 iio_push_to_buffers_with_timestamp(indio_dev, &data, 517 iio_get_time_ns(indio_dev)); 518 519 done: 520 iio_trigger_notify_done(indio_dev->trig); 521 return IRQ_HANDLED; 522 } 523 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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