tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 642a16ca7994a50d7de85715996a8ce171a5bdfb commit: 67eccf151d76a9939ad8a50c6db5cb486b01df24 [8744/9027] HID: add source argument to HID low level functions config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240628/202406282304.UydSVncq-lkp@xxxxxxxxx/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240628/202406282304.UydSVncq-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202406282304.UydSVncq-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/hid/bpf/hid_bpf_dispatch.c: In function 'hid_bpf_hw_request': >> drivers/hid/bpf/hid_bpf_dispatch.c:363:47: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 363 | (__u64)ctx); | ^ drivers/hid/bpf/hid_bpf_dispatch.c: In function 'hid_bpf_hw_output_report': drivers/hid/bpf/hid_bpf_dispatch.c:403:49: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 403 | (__u64)ctx); | ^ drivers/hid/bpf/hid_bpf_dispatch.c: In function 'hid_bpf_input_report': drivers/hid/bpf/hid_bpf_dispatch.c:434:68: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 434 | return hid_ops->hid_input_report(hdev, type, buf, size, 0, (__u64)ctx); | ^ vim +363 drivers/hid/bpf/hid_bpf_dispatch.c 313 314 /** 315 * hid_bpf_hw_request - Communicate with a HID device 316 * 317 * @ctx: the HID-BPF context previously allocated in hid_bpf_allocate_context() 318 * @buf: a %PTR_TO_MEM buffer 319 * @buf__sz: the size of the data to transfer 320 * @rtype: the type of the report (%HID_INPUT_REPORT, %HID_FEATURE_REPORT, %HID_OUTPUT_REPORT) 321 * @reqtype: the type of the request (%HID_REQ_GET_REPORT, %HID_REQ_SET_REPORT, ...) 322 * 323 * @returns %0 on success, a negative error code otherwise. 324 */ 325 __bpf_kfunc int 326 hid_bpf_hw_request(struct hid_bpf_ctx *ctx, __u8 *buf, size_t buf__sz, 327 enum hid_report_type rtype, enum hid_class_request reqtype) 328 { 329 struct hid_device *hdev; 330 size_t size = buf__sz; 331 u8 *dma_data; 332 int ret; 333 334 /* check arguments */ 335 ret = __hid_bpf_hw_check_params(ctx, buf, &size, rtype); 336 if (ret) 337 return ret; 338 339 switch (reqtype) { 340 case HID_REQ_GET_REPORT: 341 case HID_REQ_GET_IDLE: 342 case HID_REQ_GET_PROTOCOL: 343 case HID_REQ_SET_REPORT: 344 case HID_REQ_SET_IDLE: 345 case HID_REQ_SET_PROTOCOL: 346 break; 347 default: 348 return -EINVAL; 349 } 350 351 hdev = (struct hid_device *)ctx->hid; /* discard const */ 352 353 dma_data = kmemdup(buf, size, GFP_KERNEL); 354 if (!dma_data) 355 return -ENOMEM; 356 357 ret = hid_ops->hid_hw_raw_request(hdev, 358 dma_data[0], 359 dma_data, 360 size, 361 rtype, 362 reqtype, > 363 (__u64)ctx); 364 365 if (ret > 0) 366 memcpy(buf, dma_data, ret); 367 368 kfree(dma_data); 369 return ret; 370 } 371 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
