diff options
Diffstat (limited to 'drivers/input/evdev.c')
| -rw-r--r-- | drivers/input/evdev.c | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 20e3a165989f..9f2352bd8348 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -20,7 +20,6 @@ #include <linux/major.h> #include <linux/smp_lock.h> #include <linux/device.h> -#include <linux/devfs_fs_kernel.h> #include <linux/compat.h> struct evdev { @@ -160,6 +159,8 @@ struct input_event_compat { # define COMPAT_TEST IS_IA32_PROCESS(ia64_task_regs(current)) #elif defined(CONFIG_ARCH_S390) # define COMPAT_TEST test_thread_flag(TIF_31BIT) +#elif defined(CONFIG_MIPS) +# define COMPAT_TEST (current->thread.mflags & MF_32BIT_ADDR) #else # define COMPAT_TEST test_thread_flag(TIF_32BIT) #endif @@ -320,7 +321,7 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) if (t < 0 || t >= dev->keycodemax || !dev->keycodesize) return -EINVAL; if (get_user(v, ip + 1)) return -EFAULT; if (v < 0 || v > KEY_MAX) return -EINVAL; - if (v >> (dev->keycodesize * 8)) return -EINVAL; + if (dev->keycodesize < sizeof(v) && (v >> (dev->keycodesize * 8))) return -EINVAL; u = SET_INPUT_KEYCODE(dev, t, v); clear_bit(u, dev->keybit); set_bit(v, dev->keybit); @@ -391,6 +392,7 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case EV_LED: bits = dev->ledbit; len = LED_MAX; break; case EV_SND: bits = dev->sndbit; len = SND_MAX; break; case EV_FF: bits = dev->ffbit; len = FF_MAX; break; + case EV_SW: bits = dev->swbit; len = SW_MAX; break; default: return -EINVAL; } len = NBITS(len) * sizeof(long); @@ -419,6 +421,13 @@ static long evdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return copy_to_user(p, dev->snd, len) ? -EFAULT : len; } + if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0))) { + int len; + len = NBITS(SW_MAX) * sizeof(long); + if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); + return copy_to_user(p, dev->sw, len) ? -EFAULT : len; + } + if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) { int len; if (!dev->name) return -ENOENT; @@ -499,7 +508,7 @@ do { \ int len = NBITS_COMPAT((max)) * sizeof(compat_long_t); \ if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); \ for (i = 0; i < len / sizeof(compat_long_t); i++) \ - if (copy_to_user((compat_long_t*) p + i, \ + if (copy_to_user((compat_long_t __user *) p + i, \ (compat_long_t*) (bit) + i + 1 - ((i % 2) << 1), \ sizeof(compat_long_t))) \ return -EFAULT; \ @@ -556,6 +565,7 @@ static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned lon case EV_LED: bits = dev->ledbit; max = LED_MAX; break; case EV_SND: bits = dev->sndbit; max = SND_MAX; break; case EV_FF: bits = dev->ffbit; max = FF_MAX; break; + case EV_SW: bits = dev->swbit; max = SW_MAX; break; default: return -EINVAL; } bit_to_user(bits, max); @@ -570,6 +580,9 @@ static long evdev_ioctl_compat(struct file *file, unsigned int cmd, unsigned lon if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) bit_to_user(dev->snd, SND_MAX); + if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSW(0))) + bit_to_user(dev->sw, SW_MAX); + if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) { int len; if (!dev->name) return -ENOENT; @@ -652,6 +665,7 @@ static struct file_operations evdev_fops = { static struct input_handle *evdev_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id) { struct evdev *evdev; + struct class_device *cdev; int minor; for (minor = 0; minor < EVDEV_MINORS && evdev_table[minor]; minor++); @@ -677,11 +691,13 @@ static struct input_handle *evdev_connect(struct input_handler *handler, struct evdev_table[minor] = evdev; - devfs_mk_cdev(MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor), - S_IFCHR|S_IRUGO|S_IWUSR, "input/event%d", minor); - class_device_create(input_class, + cdev = class_device_create(&input_class, &dev->cdev, MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor), - dev->dev, "event%d", minor); + dev->cdev.dev, evdev->name); + + /* temporary symlink to keep userspace happy */ + sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj, + evdev->name); return &evdev->handle; } @@ -691,9 +707,9 @@ static void evdev_disconnect(struct input_handle *handle) struct evdev *evdev = handle->private; struct evdev_list *list; - class_device_destroy(input_class, + sysfs_remove_link(&input_class.subsys.kset.kobj, evdev->name); + class_device_destroy(&input_class, MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor)); - devfs_remove("input/event%d", evdev->minor); evdev->exist = 0; if (evdev->open) { |