diff options
Diffstat (limited to 'drivers/staging/media/lirc/lirc_parallel.c')
| -rw-r--r-- | drivers/staging/media/lirc/lirc_parallel.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/staging/media/lirc/lirc_parallel.c b/drivers/staging/media/lirc/lirc_parallel.c index 62f5137b947b..1394f020e46b 100644 --- a/drivers/staging/media/lirc/lirc_parallel.c +++ b/drivers/staging/media/lirc/lirc_parallel.c @@ -324,7 +324,8 @@ static loff_t lirc_lseek(struct file *filep, loff_t offset, int orig) return -ESPIPE; } -static ssize_t lirc_read(struct file *filep, char *buf, size_t n, loff_t *ppos) +static ssize_t lirc_read(struct file *filep, char __user *buf, size_t n, + loff_t *ppos) { int result = 0; int count = 0; @@ -362,7 +363,7 @@ static ssize_t lirc_read(struct file *filep, char *buf, size_t n, loff_t *ppos) return count ? count : result; } -static ssize_t lirc_write(struct file *filep, const char *buf, size_t n, +static ssize_t lirc_write(struct file *filep, const char __user *buf, size_t n, loff_t *ppos) { int count; @@ -463,43 +464,44 @@ static unsigned int lirc_poll(struct file *file, poll_table *wait) static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { int result; - __u32 features = LIRC_CAN_SET_TRANSMITTER_MASK | - LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2; - __u32 mode; - __u32 value; + u32 __user *uptr = (u32 __user *)arg; + u32 features = LIRC_CAN_SET_TRANSMITTER_MASK | + LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2; + u32 mode; + u32 value; switch (cmd) { case LIRC_GET_FEATURES: - result = put_user(features, (__u32 *) arg); + result = put_user(features, uptr); if (result) return result; break; case LIRC_GET_SEND_MODE: - result = put_user(LIRC_MODE_PULSE, (__u32 *) arg); + result = put_user(LIRC_MODE_PULSE, uptr); if (result) return result; break; case LIRC_GET_REC_MODE: - result = put_user(LIRC_MODE_MODE2, (__u32 *) arg); + result = put_user(LIRC_MODE_MODE2, uptr); if (result) return result; break; case LIRC_SET_SEND_MODE: - result = get_user(mode, (__u32 *) arg); + result = get_user(mode, uptr); if (result) return result; if (mode != LIRC_MODE_PULSE) return -EINVAL; break; case LIRC_SET_REC_MODE: - result = get_user(mode, (__u32 *) arg); + result = get_user(mode, uptr); if (result) return result; if (mode != LIRC_MODE_MODE2) return -ENOSYS; break; case LIRC_SET_TRANSMITTER_MASK: - result = get_user(value, (__u32 *) arg); + result = get_user(value, uptr); if (result) return result; if ((value & LIRC_PARALLEL_TRANSMITTER_MASK) != value) |