diff options
author | Vojtech Pavlik <vojtech@suse.cz> | 2005-05-29 03:30:15 -0400 |
---|---|---|
committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-05-29 03:30:15 -0400 |
commit | 41e979f822b34e789560ae2752f26f4a018f5d7e (patch) | |
tree | 607585d10827bc59976c971a912cb0f2b17bfd71 /drivers/input/evdev.c | |
parent | bef3768d8fdee7e1f1488e7017937eb4bf5797a2 (diff) |
Input: Make EVIOSCSABS work in evdev.
Signed-off-by: Vojtech Pavlik <vojtech@suse.cz>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/evdev.c')
-rw-r--r-- | drivers/input/evdev.c | 379 |
1 files changed, 180 insertions, 199 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index c1c220fcb763..d62c73f5ba93 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c | |||
@@ -236,7 +236,7 @@ static ssize_t evdev_read_compat(struct file * file, char __user * buffer, size_ | |||
236 | event_compat.value = event->value; | 236 | event_compat.value = event->value; |
237 | 237 | ||
238 | if (copy_to_user(buffer + retval, &event_compat, | 238 | if (copy_to_user(buffer + retval, &event_compat, |
239 | sizeof(struct input_event_compat))) return -EFAULT; | 239 | sizeof(struct input_event_compat))) return -EFAULT; |
240 | list->tail = (list->tail + 1) & (EVDEV_BUFFER_SIZE - 1); | 240 | list->tail = (list->tail + 1) & (EVDEV_BUFFER_SIZE - 1); |
241 | retval += sizeof(struct input_event_compat); | 241 | retval += sizeof(struct input_event_compat); |
242 | } | 242 | } |
@@ -272,7 +272,7 @@ static ssize_t evdev_read(struct file * file, char __user * buffer, size_t count | |||
272 | 272 | ||
273 | while (list->head != list->tail && retval + sizeof(struct input_event) <= count) { | 273 | while (list->head != list->tail && retval + sizeof(struct input_event) <= count) { |
274 | if (copy_to_user(buffer + retval, list->buffer + list->tail, | 274 | if (copy_to_user(buffer + retval, list->buffer + list->tail, |
275 | sizeof(struct input_event))) return -EFAULT; | 275 | sizeof(struct input_event))) return -EFAULT; |
276 | list->tail = (list->tail + 1) & (EVDEV_BUFFER_SIZE - 1); | 276 | list->tail = (list->tail + 1) & (EVDEV_BUFFER_SIZE - 1); |
277 | retval += sizeof(struct input_event); | 277 | retval += sizeof(struct input_event); |
278 | } | 278 | } |
@@ -371,105 +371,112 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |||
371 | 371 | ||
372 | default: | 372 | default: |
373 | 373 | ||
374 | if (_IOC_TYPE(cmd) != 'E' || _IOC_DIR(cmd) != _IOC_READ) | 374 | if (_IOC_TYPE(cmd) != 'E') |
375 | return -EINVAL; | 375 | return -EINVAL; |
376 | 376 | ||
377 | if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0,0))) { | 377 | if (_IOC_DIR(cmd) == _IOC_READ) { |
378 | 378 | ||
379 | long *bits; | 379 | if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0,0))) { |
380 | int len; | 380 | |
381 | 381 | long *bits; | |
382 | switch (_IOC_NR(cmd) & EV_MAX) { | 382 | int len; |
383 | case 0: bits = dev->evbit; len = EV_MAX; break; | 383 | |
384 | case EV_KEY: bits = dev->keybit; len = KEY_MAX; break; | 384 | switch (_IOC_NR(cmd) & EV_MAX) { |
385 | case EV_REL: bits = dev->relbit; len = REL_MAX; break; | 385 | case 0: bits = dev->evbit; len = EV_MAX; break; |
386 | case EV_ABS: bits = dev->absbit; len = ABS_MAX; break; | 386 | case EV_KEY: bits = dev->keybit; len = KEY_MAX; break; |
387 | case EV_MSC: bits = dev->mscbit; len = MSC_MAX; break; | 387 | case EV_REL: bits = dev->relbit; len = REL_MAX; break; |
388 | case EV_LED: bits = dev->ledbit; len = LED_MAX; break; | 388 | case EV_ABS: bits = dev->absbit; len = ABS_MAX; break; |
389 | case EV_SND: bits = dev->sndbit; len = SND_MAX; break; | 389 | case EV_MSC: bits = dev->mscbit; len = MSC_MAX; break; |
390 | case EV_FF: bits = dev->ffbit; len = FF_MAX; break; | 390 | case EV_LED: bits = dev->ledbit; len = LED_MAX; break; |
391 | default: return -EINVAL; | 391 | case EV_SND: bits = dev->sndbit; len = SND_MAX; break; |
392 | case EV_FF: bits = dev->ffbit; len = FF_MAX; break; | ||
393 | default: return -EINVAL; | ||
394 | } | ||
395 | len = NBITS(len) * sizeof(long); | ||
396 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | ||
397 | return copy_to_user(p, bits, len) ? -EFAULT : len; | ||
392 | } | 398 | } |
393 | len = NBITS(len) * sizeof(long); | ||
394 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | ||
395 | return copy_to_user(p, bits, len) ? -EFAULT : len; | ||
396 | } | ||
397 | 399 | ||
398 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) { | 400 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) { |
399 | int len; | 401 | int len; |
400 | len = NBITS(KEY_MAX) * sizeof(long); | 402 | len = NBITS(KEY_MAX) * sizeof(long); |
401 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 403 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
402 | return copy_to_user(p, dev->key, len) ? -EFAULT : len; | 404 | return copy_to_user(p, dev->key, len) ? -EFAULT : len; |
403 | } | 405 | } |
404 | 406 | ||
405 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) { | 407 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) { |
406 | int len; | 408 | int len; |
407 | len = NBITS(LED_MAX) * sizeof(long); | 409 | len = NBITS(LED_MAX) * sizeof(long); |
408 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 410 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
409 | return copy_to_user(p, dev->led, len) ? -EFAULT : len; | 411 | return copy_to_user(p, dev->led, len) ? -EFAULT : len; |
410 | } | 412 | } |
411 | 413 | ||
412 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) { | 414 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) { |
413 | int len; | 415 | int len; |
414 | len = NBITS(SND_MAX) * sizeof(long); | 416 | len = NBITS(SND_MAX) * sizeof(long); |
415 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 417 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
416 | return copy_to_user(p, dev->snd, len) ? -EFAULT : len; | 418 | return copy_to_user(p, dev->snd, len) ? -EFAULT : len; |
417 | } | 419 | } |
418 | 420 | ||
419 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) { | 421 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) { |
420 | int len; | 422 | int len; |
421 | if (!dev->name) return -ENOENT; | 423 | if (!dev->name) return -ENOENT; |
422 | len = strlen(dev->name) + 1; | 424 | len = strlen(dev->name) + 1; |
423 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 425 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
424 | return copy_to_user(p, dev->name, len) ? -EFAULT : len; | 426 | return copy_to_user(p, dev->name, len) ? -EFAULT : len; |
425 | } | 427 | } |
426 | 428 | ||
427 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) { | 429 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) { |
428 | int len; | 430 | int len; |
429 | if (!dev->phys) return -ENOENT; | 431 | if (!dev->phys) return -ENOENT; |
430 | len = strlen(dev->phys) + 1; | 432 | len = strlen(dev->phys) + 1; |
431 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 433 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
432 | return copy_to_user(p, dev->phys, len) ? -EFAULT : len; | 434 | return copy_to_user(p, dev->phys, len) ? -EFAULT : len; |
433 | } | 435 | } |
434 | 436 | ||
435 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) { | 437 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) { |
436 | int len; | 438 | int len; |
437 | if (!dev->uniq) return -ENOENT; | 439 | if (!dev->uniq) return -ENOENT; |
438 | len = strlen(dev->uniq) + 1; | 440 | len = strlen(dev->uniq) + 1; |
439 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 441 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
440 | return copy_to_user(p, dev->uniq, len) ? -EFAULT : len; | 442 | return copy_to_user(p, dev->uniq, len) ? -EFAULT : len; |
441 | } | 443 | } |
442 | 444 | ||
443 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { | 445 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { |
444 | 446 | ||
445 | int t = _IOC_NR(cmd) & ABS_MAX; | 447 | int t = _IOC_NR(cmd) & ABS_MAX; |
446 | 448 | ||
447 | abs.value = dev->abs[t]; | 449 | abs.value = dev->abs[t]; |
448 | abs.minimum = dev->absmin[t]; | 450 | abs.minimum = dev->absmin[t]; |
449 | abs.maximum = dev->absmax[t]; | 451 | abs.maximum = dev->absmax[t]; |
450 | abs.fuzz = dev->absfuzz[t]; | 452 | abs.fuzz = dev->absfuzz[t]; |
451 | abs.flat = dev->absflat[t]; | 453 | abs.flat = dev->absflat[t]; |
452 | 454 | ||
453 | if (copy_to_user(p, &abs, sizeof(struct input_absinfo))) | 455 | if (copy_to_user(p, &abs, sizeof(struct input_absinfo))) |
454 | return -EFAULT; | 456 | return -EFAULT; |
457 | |||
458 | return 0; | ||
459 | } | ||
455 | 460 | ||
456 | return 0; | ||
457 | } | 461 | } |
458 | 462 | ||
459 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) { | 463 | if (_IOC_DIR(cmd) == _IOC_WRITE) { |
460 | 464 | ||
461 | int t = _IOC_NR(cmd) & ABS_MAX; | 465 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) { |
462 | 466 | ||
463 | if (copy_from_user(&abs, p, sizeof(struct input_absinfo))) | 467 | int t = _IOC_NR(cmd) & ABS_MAX; |
464 | return -EFAULT; | 468 | |
469 | if (copy_from_user(&abs, p, sizeof(struct input_absinfo))) | ||
470 | return -EFAULT; | ||
465 | 471 | ||
466 | dev->abs[t] = abs.value; | 472 | dev->abs[t] = abs.value; |
467 | dev->absmin[t] = abs.minimum; | 473 | dev->absmin[t] = abs.minimum; |
468 | dev->absmax[t] = abs.maximum; | 474 | dev->absmax[t] = abs.maximum; |
469 | dev->absfuzz[t] = abs.fuzz; | 475 | dev->absfuzz[t] = abs.fuzz; |
470 | dev->absflat[t] = abs.flat; | 476 | dev->absflat[t] = abs.flat; |
471 | 477 | ||
472 | return 0; | 478 | return 0; |
479 | } | ||
473 | } | 480 | } |
474 | } | 481 | } |
475 | return -EINVAL; | 482 | return -EINVAL; |
@@ -484,6 +491,28 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) | |||
484 | #define LONG_COMPAT(x) ((x)/BITS_PER_LONG_COMPAT) | 491 | #define LONG_COMPAT(x) ((x)/BITS_PER_LONG_COMPAT) |
485 | #define test_bit_compat(bit, array) ((array[LONG_COMPAT(bit)] >> OFF_COMPAT(bit)) & 1) | 492 | #define test_bit_compat(bit, array) ((array[LONG_COMPAT(bit)] >> OFF_COMPAT(bit)) & 1) |
486 | 493 | ||
494 | #ifdef __BIG_ENDIAN | ||
495 | #define bit_to_user(bit, max) \ | ||
496 | do { \ | ||
497 | int i; \ | ||
498 | int len = NBITS_COMPAT((max)) * sizeof(compat_long_t); \ | ||
499 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); \ | ||
500 | for (i = 0; i < len / sizeof(compat_long_t); i++) \ | ||
501 | if (copy_to_user((compat_long_t*) p + i, \ | ||
502 | (compat_long_t*) (bit) + i + 1 - ((i % 2) << 1), \ | ||
503 | sizeof(compat_long_t))) \ | ||
504 | return -EFAULT; \ | ||
505 | return len; \ | ||
506 | } while (0) | ||
507 | #else | ||
508 | #define bit_to_user(bit, max) \ | ||
509 | do { \ | ||
510 | int len = NBITS_COMPAT((max)) * sizeof(compat_long_t); \ | ||
511 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); \ | ||
512 | return copy_to_user(p, (bit), len) ? -EFAULT : len; \ | ||
513 | } while (0) | ||
514 | #endif | ||
515 | |||
487 | static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg) | 516 | static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg) |
488 | { | 517 | { |
489 | struct evdev_list *list = file->private_data; | 518 | struct evdev_list *list = file->private_data; |
@@ -491,9 +520,6 @@ static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned lon | |||
491 | struct input_dev *dev = evdev->handle.dev; | 520 | struct input_dev *dev = evdev->handle.dev; |
492 | struct input_absinfo abs; | 521 | struct input_absinfo abs; |
493 | void __user *p = compat_ptr(arg); | 522 | void __user *p = compat_ptr(arg); |
494 | #ifdef __BIG_ENDIAN | ||
495 | int i; | ||
496 | #endif | ||
497 | 523 | ||
498 | if (!evdev->exist) return -ENODEV; | 524 | if (!evdev->exist) return -ENODEV; |
499 | 525 | ||
@@ -511,141 +537,96 @@ static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned lon | |||
511 | 537 | ||
512 | default: | 538 | default: |
513 | 539 | ||
514 | if (_IOC_TYPE(cmd) != 'E' || _IOC_DIR(cmd) != _IOC_READ) | 540 | if (_IOC_TYPE(cmd) != 'E') |
515 | return -EINVAL; | 541 | return -EINVAL; |
516 | 542 | ||
517 | if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0,0))) { | 543 | if (_IOC_DIR(cmd) == _IOC_READ) { |
518 | 544 | ||
519 | long *bits; | 545 | if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0,0))) { |
520 | int len; | 546 | long *bits; |
521 | 547 | int max; | |
522 | switch (_IOC_NR(cmd) & EV_MAX) { | 548 | |
523 | case 0: bits = dev->evbit; len = EV_MAX; break; | 549 | switch (_IOC_NR(cmd) & EV_MAX) { |
524 | case EV_KEY: bits = dev->keybit; len = KEY_MAX; break; | 550 | case 0: bits = dev->evbit; max = EV_MAX; break; |
525 | case EV_REL: bits = dev->relbit; len = REL_MAX; break; | 551 | case EV_KEY: bits = dev->keybit; max = KEY_MAX; break; |
526 | case EV_ABS: bits = dev->absbit; len = ABS_MAX; break; | 552 | case EV_REL: bits = dev->relbit; max = REL_MAX; break; |
527 | case EV_MSC: bits = dev->mscbit; len = MSC_MAX; break; | 553 | case EV_ABS: bits = dev->absbit; max = ABS_MAX; break; |
528 | case EV_LED: bits = dev->ledbit; len = LED_MAX; break; | 554 | case EV_MSC: bits = dev->mscbit; max = MSC_MAX; break; |
529 | case EV_SND: bits = dev->sndbit; len = SND_MAX; break; | 555 | case EV_LED: bits = dev->ledbit; max = LED_MAX; break; |
530 | case EV_FF: bits = dev->ffbit; len = FF_MAX; break; | 556 | case EV_SND: bits = dev->sndbit; max = SND_MAX; break; |
531 | default: return -EINVAL; | 557 | case EV_FF: bits = dev->ffbit; max = FF_MAX; break; |
558 | default: return -EINVAL; | ||
559 | } | ||
560 | bit_to_user(bits, max); | ||
532 | } | 561 | } |
533 | len = NBITS_COMPAT(len) * sizeof(compat_long_t); | ||
534 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | ||
535 | #ifdef __BIG_ENDIAN | ||
536 | for (i = 0; i < len / sizeof(compat_long_t); i++) | ||
537 | if (copy_to_user((compat_long_t*) p + i, | ||
538 | (compat_long_t*) bits + i + 1 - ((i % 2) << 1), | ||
539 | sizeof(compat_long_t))) | ||
540 | return -EFAULT; | ||
541 | return len; | ||
542 | #else | ||
543 | return copy_to_user(p, bits, len) ? -EFAULT : len; | ||
544 | #endif | ||
545 | } | ||
546 | 562 | ||
547 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) { | 563 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) |
548 | int len; | 564 | bit_to_user(dev->key, KEY_MAX); |
549 | len = NBITS_COMPAT(KEY_MAX) * sizeof(compat_long_t); | ||
550 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | ||
551 | #ifdef __BIG_ENDIAN | ||
552 | for (i = 0; i < len / sizeof(compat_long_t); i++) | ||
553 | if (copy_to_user((compat_long_t*) p + i, | ||
554 | (compat_long_t*) dev->key + i + 1 - ((i % 2) << 1), | ||
555 | sizeof(compat_long_t))) | ||
556 | return -EFAULT; | ||
557 | return len; | ||
558 | #else | ||
559 | return copy_to_user(p, dev->key, len) ? -EFAULT : len; | ||
560 | #endif | ||
561 | } | ||
562 | 565 | ||
563 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) { | 566 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) |
564 | int len; | 567 | bit_to_user(dev->led, LED_MAX); |
565 | len = NBITS_COMPAT(LED_MAX) * sizeof(compat_long_t); | ||
566 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | ||
567 | #ifdef __BIG_ENDIAN | ||
568 | for (i = 0; i < len / sizeof(compat_long_t); i++) | ||
569 | if (copy_to_user((compat_long_t*) p + i, | ||
570 | (compat_long_t*) dev->led + i + 1 - ((i % 2) << 1), | ||
571 | sizeof(compat_long_t))) | ||
572 | return -EFAULT; | ||
573 | return len; | ||
574 | #else | ||
575 | return copy_to_user(p, dev->led, len) ? -EFAULT : len; | ||
576 | #endif | ||
577 | } | ||
578 | 568 | ||
579 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) { | 569 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) |
580 | int len; | 570 | bit_to_user(dev->snd, SND_MAX); |
581 | len = NBITS_COMPAT(SND_MAX) * sizeof(compat_long_t); | ||
582 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | ||
583 | #ifdef __BIG_ENDIAN | ||
584 | for (i = 0; i < len / sizeof(compat_long_t); i++) | ||
585 | if (copy_to_user((compat_long_t*) p + i, | ||
586 | (compat_long_t*) dev->snd + i + 1 - ((i % 2) << 1), | ||
587 | sizeof(compat_long_t))) | ||
588 | return -EFAULT; | ||
589 | return len; | ||
590 | #else | ||
591 | return copy_to_user(p, dev->snd, len) ? -EFAULT : len; | ||
592 | #endif | ||
593 | } | ||
594 | 571 | ||
595 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) { | 572 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) { |
596 | int len; | 573 | int len; |
597 | if (!dev->name) return -ENOENT; | 574 | if (!dev->name) return -ENOENT; |
598 | len = strlen(dev->name) + 1; | 575 | len = strlen(dev->name) + 1; |
599 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 576 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
600 | return copy_to_user(p, dev->name, len) ? -EFAULT : len; | 577 | return copy_to_user(p, dev->name, len) ? -EFAULT : len; |
601 | } | 578 | } |
602 | 579 | ||
603 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) { | 580 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) { |
604 | int len; | 581 | int len; |
605 | if (!dev->phys) return -ENOENT; | 582 | if (!dev->phys) return -ENOENT; |
606 | len = strlen(dev->phys) + 1; | 583 | len = strlen(dev->phys) + 1; |
607 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 584 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
608 | return copy_to_user(p, dev->phys, len) ? -EFAULT : len; | 585 | return copy_to_user(p, dev->phys, len) ? -EFAULT : len; |
609 | } | 586 | } |
610 | 587 | ||
611 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) { | 588 | if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) { |
612 | int len; | 589 | int len; |
613 | if (!dev->uniq) return -ENOENT; | 590 | if (!dev->uniq) return -ENOENT; |
614 | len = strlen(dev->uniq) + 1; | 591 | len = strlen(dev->uniq) + 1; |
615 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); | 592 | if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); |
616 | return copy_to_user(p, dev->uniq, len) ? -EFAULT : len; | 593 | return copy_to_user(p, dev->uniq, len) ? -EFAULT : len; |
617 | } | 594 | } |
618 | 595 | ||
619 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { | 596 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { |
620 | 597 | ||
621 | int t = _IOC_NR(cmd) & ABS_MAX; | 598 | int t = _IOC_NR(cmd) & ABS_MAX; |
622 | 599 | ||
623 | abs.value = dev->abs[t]; | 600 | abs.value = dev->abs[t]; |
624 | abs.minimum = dev->absmin[t]; | 601 | abs.minimum = dev->absmin[t]; |
625 | abs.maximum = dev->absmax[t]; | 602 | abs.maximum = dev->absmax[t]; |
626 | abs.fuzz = dev->absfuzz[t]; | 603 | abs.fuzz = dev->absfuzz[t]; |
627 | abs.flat = dev->absflat[t]; | 604 | abs.flat = dev->absflat[t]; |
628 | 605 | ||
629 | if (copy_to_user(p, &abs, sizeof(struct input_absinfo))) | 606 | if (copy_to_user(p, &abs, sizeof(struct input_absinfo))) |
630 | return -EFAULT; | 607 | return -EFAULT; |
631 | 608 | ||
632 | return 0; | 609 | return 0; |
610 | } | ||
633 | } | 611 | } |
634 | 612 | ||
635 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) { | 613 | if (_IOC_DIR(cmd) == _IOC_WRITE) { |
636 | 614 | ||
637 | int t = _IOC_NR(cmd) & ABS_MAX; | 615 | if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCSABS(0))) { |
638 | 616 | ||
639 | if (copy_from_user(&abs, p, sizeof(struct input_absinfo))) | 617 | int t = _IOC_NR(cmd) & ABS_MAX; |
640 | return -EFAULT; | ||
641 | 618 | ||
642 | dev->abs[t] = abs.value; | 619 | if (copy_from_user(&abs, p, sizeof(struct input_absinfo))) |
643 | dev->absmin[t] = abs.minimum; | 620 | return -EFAULT; |
644 | dev->absmax[t] = abs.maximum; | ||
645 | dev->absfuzz[t] = abs.fuzz; | ||
646 | dev->absflat[t] = abs.flat; | ||
647 | 621 | ||
648 | return 0; | 622 | dev->abs[t] = abs.value; |
623 | dev->absmin[t] = abs.minimum; | ||
624 | dev->absmax[t] = abs.maximum; | ||
625 | dev->absfuzz[t] = abs.fuzz; | ||
626 | dev->absflat[t] = abs.flat; | ||
627 | |||
628 | return 0; | ||
629 | } | ||
649 | } | 630 | } |
650 | } | 631 | } |
651 | return -EINVAL; | 632 | return -EINVAL; |