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Message-ID: <202312040545.PKPxVXOu-lkp@intel.com>
Date: Mon, 4 Dec 2023 06:05:52 +0800
From: kernel test robot <lkp@...el.com>
To: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Jiri Kosina <jkosina@...e.cz>
Subject: drivers/hid/intel-ish-hid/ishtp-hid.c:208:24: sparse: sparse: cast
to restricted __le16
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 33cc938e65a98f1d29d0a18403dbbee050dcad9a
commit: 0b28cb4bcb17dcb5fe0763fc3e1a94398b8f6cf6 HID: intel-ish-hid: ISH HID client driver
date: 7 years ago
config: x86_64-randconfig-123-20231101 (https://download.01.org/0day-ci/archive/20231204/202312040545.PKPxVXOu-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231204/202312040545.PKPxVXOu-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312040545.PKPxVXOu-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/hid/intel-ish-hid/ishtp-hid.c:208:24: sparse: sparse: cast to restricted __le16
drivers/hid/intel-ish-hid/ishtp-hid.c:209:23: sparse: sparse: cast to restricted __le16
drivers/hid/intel-ish-hid/ishtp-hid.c:210:24: sparse: sparse: cast to restricted __le16
In file included from include/linux/kobject.h:21,
from include/linux/device.h:17,
from include/linux/input.h:22,
from include/linux/hid.h:35,
from drivers/hid/intel-ish-hid/ishtp-hid.c:16:
include/linux/sysfs.h: In function 'sysfs_get_dirent':
include/linux/sysfs.h:517:44: warning: pointer targets in passing argument 2 of 'kernfs_find_and_get' differ in signedness [-Wpointer-sign]
517 | return kernfs_find_and_get(parent, name);
| ^~~~
| |
| const unsigned char *
In file included from include/linux/sysfs.h:15,
from include/linux/kobject.h:21,
from include/linux/device.h:17,
from include/linux/input.h:22,
from include/linux/hid.h:35,
from drivers/hid/intel-ish-hid/ishtp-hid.c:16:
include/linux/kernfs.h:440:57: note: expected 'const char *' but argument is of type 'const unsigned char *'
440 | kernfs_find_and_get(struct kernfs_node *kn, const char *name)
| ~~~~~~~~~~~~^~~~
drivers/hid/intel-ish-hid/ishtp-hid.c: In function 'ishtp_hid_request':
drivers/hid/intel-ish-hid/ishtp-hid.c:101:44: warning: pointer targets in passing argument 2 of 'hid_output_report' differ in signedness [-Wpointer-sign]
101 | hid_output_report(rep, buf + header_size);
| ~~~~^~~~~~~~~~~~~
| |
| char *
In file included from drivers/hid/intel-ish-hid/ishtp-hid.c:16:
include/linux/hid.h:809:57: note: expected '__u8 *' {aka 'unsigned char *'} but argument is of type 'char *'
809 | void hid_output_report(struct hid_report *report, __u8 *data);
| ~~~~~~^~~~
vim +208 drivers/hid/intel-ish-hid/ishtp-hid.c
168
169 /**
170 * ishtp_hid_probe() - hid register ll driver
171 * @cur_hid_dev: Index of hid device calling to register
172 * @client_data: Client data pointer
173 *
174 * This function is used to allocate and add HID device.
175 *
176 * Return: 0 on success, non zero on error
177 */
178 int ishtp_hid_probe(unsigned int cur_hid_dev,
179 struct ishtp_cl_data *client_data)
180 {
181 int rv;
182 struct hid_device *hid;
183 struct ishtp_hid_data *hid_data;
184
185 hid = hid_allocate_device();
186 if (IS_ERR(hid)) {
187 rv = PTR_ERR(hid);
188 return -ENOMEM;
189 }
190
191 hid_data = kzalloc(sizeof(*hid_data), GFP_KERNEL);
192 if (!hid_data) {
193 rv = -ENOMEM;
194 goto err_hid_data;
195 }
196
197 hid_data->index = cur_hid_dev;
198 hid_data->client_data = client_data;
199 init_waitqueue_head(&hid_data->hid_wait);
200
201 hid->driver_data = hid_data;
202
203 client_data->hid_sensor_hubs[cur_hid_dev] = hid;
204
205 hid->ll_driver = &ishtp_hid_ll_driver;
206 hid->bus = BUS_INTEL_ISHTP;
207 hid->dev.parent = &client_data->cl_device->dev;
> 208 hid->version = le16_to_cpu(ISH_HID_VERSION);
209 hid->vendor = le16_to_cpu(ISH_HID_VENDOR);
210 hid->product = le16_to_cpu(ISH_HID_PRODUCT);
211 snprintf(hid->name, sizeof(hid->name), "%s %04hX:%04hX", "hid-ishtp",
212 hid->vendor, hid->product);
213
214 rv = hid_add_device(hid);
215 if (rv)
216 goto err_hid_device;
217
218 hid_ishtp_trace(client_data, "%s allocated hid %p\n", __func__, hid);
219
220 return 0;
221
222 err_hid_device:
223 kfree(hid_data);
224 err_hid_data:
225 kfree(hid);
226 return rv;
227 }
228
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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