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Message-ID: <202210020306.98ADsU6A-lkp@intel.com>
Date: Sun, 2 Oct 2022 03:47:18 +0800
From: kernel test robot <lkp@...el.com>
To: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
Matti Vaittinen <mazziesaccount@...il.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Cosmin Tanislav <cosmin.tanislav@...log.com>,
Lars-Peter Clausen <lars@...afoo.de>,
Michael Hennerich <Michael.Hennerich@...log.com>,
Jonathan Cameron <jic23@...nel.org>,
Eugen Hristev <eugen.hristev@...rochip.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Claudiu Beznea <claudiu.beznea@...rochip.com>,
Alexandru Ardelean <alexandru.ardelean@...log.com>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
Miaoqian Lin <linmq006@...il.com>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>,
Mihail Chindris <mihail.chindris@...log.com>,
linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/2] iio: Fix unsafe buffer attributes
Hi Matti,
I love your patch! Yet something to improve:
[auto build test ERROR on v6.0-rc7]
[also build test ERROR on linus/master]
[cannot apply to jic23-iio/togreg next-20220930]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Matti-Vaittinen/iio-Add-IIO_STATIC_CONST_DEVICE_ATTR/20220930-191558
base: f76349cf41451c5c42a99f18a9163377e4b364ff
config: i386-randconfig-a006
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/71aecc2b7a59a431f1a4ca7f6e4670f6ca889cb0
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Matti-Vaittinen/iio-Add-IIO_STATIC_CONST_DEVICE_ATTR/20220930-191558
git checkout 71aecc2b7a59a431f1a4ca7f6e4670f6ca889cb0
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c:336:14: error: incompatible pointer types passing 'const struct attribute *[3]' to parameter of type 'const struct iio_dev_attr **' [-Werror,-Wincompatible-pointer-types]
cros_ec_sensor_fifo_attributes);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/iio/kfifo_buf.h:17:37: note: passing argument to parameter 'buffer_attrs' here
const struct iio_dev_attr **buffer_attrs);
^
1 error generated.
vim +336 drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
aa984f1ba4a477 Gwendal Grignou 2020-03-27 228
d9452adcc5b485 Gwendal Grignou 2020-03-27 229 /**
d9452adcc5b485 Gwendal Grignou 2020-03-27 230 * cros_ec_sensors_core_init() - basic initialization of the core structure
0b4ae3f6d1210c Gwendal Grignou 2022-07-11 231 * @pdev: platform device created for the sensor
d9452adcc5b485 Gwendal Grignou 2020-03-27 232 * @indio_dev: iio device structure of the device
d9452adcc5b485 Gwendal Grignou 2020-03-27 233 * @physical_device: true if the device refers to a physical device
aa984f1ba4a477 Gwendal Grignou 2020-03-27 234 * @trigger_capture: function pointer to call buffer is triggered,
aa984f1ba4a477 Gwendal Grignou 2020-03-27 235 * for backward compatibility.
d9452adcc5b485 Gwendal Grignou 2020-03-27 236 *
d9452adcc5b485 Gwendal Grignou 2020-03-27 237 * Return: 0 on success, -errno on failure.
d9452adcc5b485 Gwendal Grignou 2020-03-27 238 */
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 239 int cros_ec_sensors_core_init(struct platform_device *pdev,
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 240 struct iio_dev *indio_dev,
aa984f1ba4a477 Gwendal Grignou 2020-03-27 241 bool physical_device,
0b4ae3f6d1210c Gwendal Grignou 2022-07-11 242 cros_ec_sensors_capture_t trigger_capture)
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 243 {
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 244 struct device *dev = &pdev->dev;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 245 struct cros_ec_sensors_core_state *state = iio_priv(indio_dev);
d60ac88a62df71 Gwendal Grignou 2019-11-19 246 struct cros_ec_sensorhub *sensor_hub = dev_get_drvdata(dev->parent);
d60ac88a62df71 Gwendal Grignou 2019-11-19 247 struct cros_ec_dev *ec = sensor_hub->ec;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 248 struct cros_ec_sensor_platform *sensor_platform = dev_get_platdata(dev);
56e4f2dda23c6d Gwendal Grignou 2020-06-30 249 u32 ver_mask, temp;
317a0ebe53f465 Gwendal Grignou 2020-03-27 250 int frequencies[ARRAY_SIZE(state->frequencies) / 2] = { 0 };
22087c850e8e56 Gwendal Grignou 2019-08-26 251 int ret, i;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 252
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 253 platform_set_drvdata(pdev, indio_dev);
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 254
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 255 state->ec = ec->ec_dev;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 256 state->msg = devm_kzalloc(&pdev->dev,
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 257 max((u16)sizeof(struct ec_params_motion_sense),
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 258 state->ec->max_response), GFP_KERNEL);
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 259 if (!state->msg)
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 260 return -ENOMEM;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 261
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 262 state->resp = (struct ec_response_motion_sense *)state->msg->data;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 263
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 264 mutex_init(&state->cmd_lock);
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 265
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 266 ret = cros_ec_get_host_cmd_version_mask(state->ec,
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 267 ec->cmd_offset,
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 268 EC_CMD_MOTION_SENSE_CMD,
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 269 &ver_mask);
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 270 if (ret < 0)
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 271 return ret;
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 272
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 273 /* Set up the host command structure. */
3cf9df00957fb2 Fabien Lahoudere 2019-07-02 274 state->msg->version = fls(ver_mask) - 1;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 275 state->msg->command = EC_CMD_MOTION_SENSE_CMD + ec->cmd_offset;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 276 state->msg->outsize = sizeof(struct ec_params_motion_sense);
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 277
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 278 indio_dev->name = pdev->name;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 279
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 280 if (physical_device) {
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 281 enum motionsensor_location loc;
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 282
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 283 state->param.cmd = MOTIONSENSE_CMD_INFO;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 284 state->param.info.sensor_num = sensor_platform->sensor_num;
f53199c0bc6265 Gwendal Grignou 2019-07-18 285 ret = cros_ec_motion_send_host_cmd(state, 0);
f53199c0bc6265 Gwendal Grignou 2019-07-18 286 if (ret) {
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 287 dev_warn(dev, "Can not access sensor info\n");
f53199c0bc6265 Gwendal Grignou 2019-07-18 288 return ret;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 289 }
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 290 state->type = state->resp->info.type;
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 291 loc = state->resp->info.location;
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 292 if (loc == MOTIONSENSE_LOC_BASE)
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 293 indio_dev->label = "accel-base";
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 294 else if (loc == MOTIONSENSE_LOC_LID)
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 295 indio_dev->label = "accel-display";
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 296 else if (loc == MOTIONSENSE_LOC_CAMERA)
7cbb6681d7e5b8 Gwendal Grignou 2022-04-27 297 indio_dev->label = "accel-camera";
12bf745c9afb67 Gwendal Grignou 2019-07-15 298
12bf745c9afb67 Gwendal Grignou 2019-07-15 299 /* Set sign vector, only used for backward compatibility. */
12bf745c9afb67 Gwendal Grignou 2019-07-15 300 memset(state->sign, 1, CROS_EC_SENSOR_MAX_AXIS);
ae7b02ad2f32d3 Fabien Lahoudere 2019-07-16 301
22087c850e8e56 Gwendal Grignou 2019-08-26 302 for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++)
22087c850e8e56 Gwendal Grignou 2019-08-26 303 state->calib[i].scale = MOTION_SENSE_DEFAULT_SCALE;
22087c850e8e56 Gwendal Grignou 2019-08-26 304
ae7b02ad2f32d3 Fabien Lahoudere 2019-07-16 305 /* 0 is a correct value used to stop the device */
ae7b02ad2f32d3 Fabien Lahoudere 2019-07-16 306 if (state->msg->version < 3) {
ae7b02ad2f32d3 Fabien Lahoudere 2019-07-16 307 get_default_min_max_freq(state->resp->info.type,
317a0ebe53f465 Gwendal Grignou 2020-03-27 308 &frequencies[1],
317a0ebe53f465 Gwendal Grignou 2020-03-27 309 &frequencies[2],
cb87556068146d Gwendal Grignou 2020-03-27 310 &state->fifo_max_event_count);
56e4f2dda23c6d Gwendal Grignou 2020-06-30 311 } else {
56e4f2dda23c6d Gwendal Grignou 2020-06-30 312 if (state->resp->info_3.max_frequency == 0) {
56e4f2dda23c6d Gwendal Grignou 2020-06-30 313 get_default_min_max_freq(state->resp->info.type,
56e4f2dda23c6d Gwendal Grignou 2020-06-30 314 &frequencies[1],
56e4f2dda23c6d Gwendal Grignou 2020-06-30 315 &frequencies[2],
56e4f2dda23c6d Gwendal Grignou 2020-06-30 316 &temp);
ae7b02ad2f32d3 Fabien Lahoudere 2019-07-16 317 } else {
317a0ebe53f465 Gwendal Grignou 2020-03-27 318 frequencies[1] = state->resp->info_3.min_frequency;
317a0ebe53f465 Gwendal Grignou 2020-03-27 319 frequencies[2] = state->resp->info_3.max_frequency;
56e4f2dda23c6d Gwendal Grignou 2020-06-30 320 }
56e4f2dda23c6d Gwendal Grignou 2020-06-30 321 state->fifo_max_event_count = state->resp->info_3.fifo_max_event_count;
ae7b02ad2f32d3 Fabien Lahoudere 2019-07-16 322 }
317a0ebe53f465 Gwendal Grignou 2020-03-27 323 for (i = 0; i < ARRAY_SIZE(frequencies); i++) {
317a0ebe53f465 Gwendal Grignou 2020-03-27 324 state->frequencies[2 * i] = frequencies[i] / 1000;
317a0ebe53f465 Gwendal Grignou 2020-03-27 325 state->frequencies[2 * i + 1] =
317a0ebe53f465 Gwendal Grignou 2020-03-27 326 (frequencies[i] % 1000) * 1000;
317a0ebe53f465 Gwendal Grignou 2020-03-27 327 }
aa984f1ba4a477 Gwendal Grignou 2020-03-27 328
aa984f1ba4a477 Gwendal Grignou 2020-03-27 329 if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
aa984f1ba4a477 Gwendal Grignou 2020-03-27 330 /*
aa984f1ba4a477 Gwendal Grignou 2020-03-27 331 * Create a software buffer, feed by the EC FIFO.
aa984f1ba4a477 Gwendal Grignou 2020-03-27 332 * We can not use trigger here, as events are generated
aa984f1ba4a477 Gwendal Grignou 2020-03-27 333 * as soon as sample_frequency is set.
aa984f1ba4a477 Gwendal Grignou 2020-03-27 334 */
f67c6c73cb07a4 Miquel Raynal 2022-02-07 335 ret = devm_iio_kfifo_buffer_setup_ext(dev, indio_dev, NULL,
80346b2b55fcbb Gwendal Grignou 2021-03-18 @336 cros_ec_sensor_fifo_attributes);
17395ce299211a Alexandru Ardelean 2021-02-15 337 if (ret)
17395ce299211a Alexandru Ardelean 2021-02-15 338 return ret;
aa984f1ba4a477 Gwendal Grignou 2020-03-27 339
aa984f1ba4a477 Gwendal Grignou 2020-03-27 340 /* Timestamp coming from FIFO are in ns since boot. */
aa984f1ba4a477 Gwendal Grignou 2020-03-27 341 ret = iio_device_set_clock(indio_dev, CLOCK_BOOTTIME);
aa984f1ba4a477 Gwendal Grignou 2020-03-27 342 if (ret)
aa984f1ba4a477 Gwendal Grignou 2020-03-27 343 return ret;
165aea80e2e2c7 Alexandru Ardelean 2020-09-29 344
80346b2b55fcbb Gwendal Grignou 2021-03-18 345 } else {
aa984f1ba4a477 Gwendal Grignou 2020-03-27 346 /*
aa984f1ba4a477 Gwendal Grignou 2020-03-27 347 * The only way to get samples in buffer is to set a
d18ffd83745a74 Keyur Patel 2020-06-09 348 * software trigger (systrig, hrtimer).
aa984f1ba4a477 Gwendal Grignou 2020-03-27 349 */
80346b2b55fcbb Gwendal Grignou 2021-03-18 350 ret = devm_iio_triggered_buffer_setup(dev, indio_dev,
80346b2b55fcbb Gwendal Grignou 2021-03-18 351 NULL, trigger_capture, NULL);
aa984f1ba4a477 Gwendal Grignou 2020-03-27 352 if (ret)
aa984f1ba4a477 Gwendal Grignou 2020-03-27 353 return ret;
aa984f1ba4a477 Gwendal Grignou 2020-03-27 354 }
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 355 }
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 356
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 357 return 0;
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 358 }
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 359 EXPORT_SYMBOL_GPL(cros_ec_sensors_core_init);
974e6f02e27e1b Enric Balletbo i Serra 2016-08-01 360
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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