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Commit f49b24c5 authored by Alexander Viro's avatar Alexander Viro Committed by Linus Torvalds
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[PATCH] sparse: partial drivers/input __user annotation

parent 4e46f5c9
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Inline Side-by-side
Showing with 26 additions and 24 deletions
drivers/input/evdev.c
View file @ f49b24c5
...@@ -147,7 +147,7 @@ static int evdev_open(struct inode * inode, struct file * file) ...@@ -147,7 +147,7 @@ static int evdev_open(struct inode * inode, struct file * file)
return 0; return 0;
} }
static ssize_t evdev_write(struct file * file, const char * buffer, size_t count, loff_t *ppos) static ssize_t evdev_write(struct file * file, const char __user * buffer, size_t count, loff_t *ppos)
{ {
struct evdev_list *list = file->private_data; struct evdev_list *list = file->private_data;
struct input_event event; struct input_event event;
...@@ -166,7 +166,7 @@ static ssize_t evdev_write(struct file * file, const char * buffer, size_t count ...@@ -166,7 +166,7 @@ static ssize_t evdev_write(struct file * file, const char * buffer, size_t count
return retval; return retval;
} }
static ssize_t evdev_read(struct file * file, char * buffer, size_t count, loff_t *ppos) static ssize_t evdev_read(struct file * file, char __user * buffer, size_t count, loff_t *ppos)
{ {
struct evdev_list *list = file->private_data; struct evdev_list *list = file->private_data;
int retval; int retval;
...@@ -209,6 +209,8 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -209,6 +209,8 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
struct evdev *evdev = list->evdev; struct evdev *evdev = list->evdev;
struct input_dev *dev = evdev->handle.dev; struct input_dev *dev = evdev->handle.dev;
struct input_absinfo abs; struct input_absinfo abs;
void __user *p = (void __user *)arg;
int __user *ip = (int __user *)arg;
int i, t, u, v; int i, t, u, v;
if (!evdev->exist) return -ENODEV; if (!evdev->exist) return -ENODEV;
...@@ -216,21 +218,21 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -216,21 +218,21 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
switch (cmd) { switch (cmd) {
case EVIOCGVERSION: case EVIOCGVERSION:
return put_user(EV_VERSION, (int *) arg); return put_user(EV_VERSION, ip);
case EVIOCGID: case EVIOCGID:
return copy_to_user((void *) arg, &dev->id, sizeof(struct input_id)) ? -EFAULT : 0; return copy_to_user(p, &dev->id, sizeof(struct input_id)) ? -EFAULT : 0;
case EVIOCGKEYCODE: case EVIOCGKEYCODE:
if (get_user(t, ((int *) arg) + 0)) return -EFAULT; if (get_user(t, ip)) return -EFAULT;
if (t < 0 || t > dev->keycodemax || !dev->keycodesize) return -EINVAL; if (t < 0 || t > dev->keycodemax || !dev->keycodesize) return -EINVAL;
if (put_user(INPUT_KEYCODE(dev, t), ((int *) arg) + 1)) return -EFAULT; if (put_user(INPUT_KEYCODE(dev, t), ip + 1)) return -EFAULT;
return 0; return 0;
case EVIOCSKEYCODE: case EVIOCSKEYCODE:
if (get_user(t, ((int *) arg) + 0)) return -EFAULT; if (get_user(t, ip)) return -EFAULT;
if (t < 0 || t > dev->keycodemax || !dev->keycodesize) return -EINVAL; if (t < 0 || t > dev->keycodemax || !dev->keycodesize) return -EINVAL;
if (get_user(v, ((int *) arg) + 1)) return -EFAULT; if (get_user(v, ip + 1)) return -EFAULT;
u = SET_INPUT_KEYCODE(dev, t, v); u = SET_INPUT_KEYCODE(dev, t, v);
clear_bit(u, dev->keybit); clear_bit(u, dev->keybit);
set_bit(v, dev->keybit); set_bit(v, dev->keybit);
...@@ -244,10 +246,10 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -244,10 +246,10 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
struct ff_effect effect; struct ff_effect effect;
int err; int err;
if (copy_from_user((void*)(&effect), (void*)arg, sizeof(effect))) if (copy_from_user(&effect, p, sizeof(effect)))
return -EFAULT; return -EFAULT;
err = dev->upload_effect(dev, &effect); err = dev->upload_effect(dev, &effect);
if (put_user(effect.id, &(((struct ff_effect*)arg)->id))) if (put_user(effect.id, &(((struct ff_effect __user *)arg)->id)))
return -EFAULT; return -EFAULT;
return err; return err;
} }
...@@ -260,7 +262,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -260,7 +262,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
else return -ENOSYS; else return -ENOSYS;
case EVIOCGEFFECTS: case EVIOCGEFFECTS:
if (put_user(dev->ff_effects_max, (int*) arg)) if (put_user(dev->ff_effects_max, ip))
return -EFAULT; return -EFAULT;
return 0; return 0;
...@@ -303,28 +305,28 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -303,28 +305,28 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
} }
len = NBITS(len) * sizeof(long); len = NBITS(len) * sizeof(long);
if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
return copy_to_user((char *) arg, bits, len) ? -EFAULT : len; return copy_to_user(p, bits, len) ? -EFAULT : len;
} }
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) { if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0))) {
int len; int len;
len = NBITS(KEY_MAX) * sizeof(long); len = NBITS(KEY_MAX) * sizeof(long);
if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
return copy_to_user((char *) arg, dev->key, len) ? -EFAULT : len; return copy_to_user(p, dev->key, len) ? -EFAULT : len;
} }
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) { if (_IOC_NR(cmd) == _IOC_NR(EVIOCGLED(0))) {
int len; int len;
len = NBITS(LED_MAX) * sizeof(long); len = NBITS(LED_MAX) * sizeof(long);
if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
return copy_to_user((char *) arg, dev->led, len) ? -EFAULT : len; return copy_to_user(p, dev->led, len) ? -EFAULT : len;
} }
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) { if (_IOC_NR(cmd) == _IOC_NR(EVIOCGSND(0))) {
int len; int len;
len = NBITS(SND_MAX) * sizeof(long); len = NBITS(SND_MAX) * sizeof(long);
if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
return copy_to_user((char *) arg, dev->snd, len) ? -EFAULT : len; return copy_to_user(p, dev->snd, len) ? -EFAULT : len;
} }
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) { if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0))) {
...@@ -332,7 +334,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -332,7 +334,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
if (!dev->name) return -ENOENT; if (!dev->name) return -ENOENT;
len = strlen(dev->name) + 1; len = strlen(dev->name) + 1;
if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
return copy_to_user((char *) arg, dev->name, len) ? -EFAULT : len; return copy_to_user(p, dev->name, len) ? -EFAULT : len;
} }
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) { if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0))) {
...@@ -340,7 +342,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -340,7 +342,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
if (!dev->phys) return -ENOENT; if (!dev->phys) return -ENOENT;
len = strlen(dev->phys) + 1; len = strlen(dev->phys) + 1;
if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
return copy_to_user((char *) arg, dev->phys, len) ? -EFAULT : len; return copy_to_user(p, dev->phys, len) ? -EFAULT : len;
} }
if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) { if (_IOC_NR(cmd) == _IOC_NR(EVIOCGUNIQ(0))) {
...@@ -348,7 +350,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -348,7 +350,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
if (!dev->uniq) return -ENOENT; if (!dev->uniq) return -ENOENT;
len = strlen(dev->uniq) + 1; len = strlen(dev->uniq) + 1;
if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd); if (len > _IOC_SIZE(cmd)) len = _IOC_SIZE(cmd);
return copy_to_user((char *) arg, dev->uniq, len) ? -EFAULT : len; return copy_to_user(p, dev->uniq, len) ? -EFAULT : len;
} }
if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) { if ((_IOC_NR(cmd) & ~ABS_MAX) == _IOC_NR(EVIOCGABS(0))) {
...@@ -361,7 +363,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -361,7 +363,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
abs.fuzz = dev->absfuzz[t]; abs.fuzz = dev->absfuzz[t];
abs.flat = dev->absflat[t]; abs.flat = dev->absflat[t];
if (copy_to_user((void *) arg, &abs, sizeof(struct input_absinfo))) if (copy_to_user(p, &abs, sizeof(struct input_absinfo)))
return -EFAULT; return -EFAULT;
return 0; return 0;
...@@ -371,7 +373,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, ...@@ -371,7 +373,7 @@ static int evdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
int t = _IOC_NR(cmd) & ABS_MAX; int t = _IOC_NR(cmd) & ABS_MAX;
if (copy_from_user(&abs, (void *) arg, sizeof(struct input_absinfo))) if (copy_from_user(&abs, p, sizeof(struct input_absinfo)))
return -EFAULT; return -EFAULT;
dev->abs[t] = abs.value; dev->abs[t] = abs.value;
......
drivers/input/mousedev.c
View file @ f49b24c5
...@@ -339,7 +339,7 @@ static void mousedev_packet(struct mousedev_list *list, unsigned char off) ...@@ -339,7 +339,7 @@ static void mousedev_packet(struct mousedev_list *list, unsigned char off)
} }
static ssize_t mousedev_write(struct file * file, const char * buffer, size_t count, loff_t *ppos) static ssize_t mousedev_write(struct file * file, const char __user * buffer, size_t count, loff_t *ppos)
{ {
struct mousedev_list *list = file->private_data; struct mousedev_list *list = file->private_data;
unsigned char c; unsigned char c;
...@@ -407,7 +407,7 @@ static ssize_t mousedev_write(struct file * file, const char * buffer, size_t co ...@@ -407,7 +407,7 @@ static ssize_t mousedev_write(struct file * file, const char * buffer, size_t co
return count; return count;
} }
static ssize_t mousedev_read(struct file * file, char * buffer, size_t count, loff_t *ppos) static ssize_t mousedev_read(struct file * file, char __user * buffer, size_t count, loff_t *ppos)
{ {
struct mousedev_list *list = file->private_data; struct mousedev_list *list = file->private_data;
int retval = 0; int retval = 0;
......
drivers/input/serio/serport.c
View file @ f49b24c5
...@@ -140,7 +140,7 @@ static int serport_ldisc_room(struct tty_struct *tty) ...@@ -140,7 +140,7 @@ static int serport_ldisc_room(struct tty_struct *tty)
* returning 0 characters. * returning 0 characters.
*/ */
static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file, unsigned char * buf, size_t nr) static ssize_t serport_ldisc_read(struct tty_struct * tty, struct file * file, unsigned char __user * buf, size_t nr)
{ {
struct serport *serport = (struct serport*) tty->disc_data; struct serport *serport = (struct serport*) tty->disc_data;
char name[64]; char name[64];
...@@ -167,7 +167,7 @@ static int serport_ldisc_ioctl(struct tty_struct * tty, struct file * file, unsi ...@@ -167,7 +167,7 @@ static int serport_ldisc_ioctl(struct tty_struct * tty, struct file * file, unsi
struct serport *serport = (struct serport*) tty->disc_data; struct serport *serport = (struct serport*) tty->disc_data;
if (cmd == SPIOCSTYPE) if (cmd == SPIOCSTYPE)
return get_user(serport->serio.type, (unsigned long *) arg); return get_user(serport->serio.type, (unsigned long __user *) arg);
return -EINVAL; return -EINVAL;
} }
......
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