diff options
Diffstat (limited to 'drivers/media/dvb/bt8xx')
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst_ca.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c index 8a8a3333cb8..492e829fe02 100644 --- a/drivers/media/dvb/bt8xx/dst_ca.c +++ b/drivers/media/dvb/bt8xx/dst_ca.c @@ -166,7 +166,7 @@ static int ca_get_app_info(struct dst_state *state) return 0; } -static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void *arg) +static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, void __user *arg) { int i; u8 slot_cap[256]; @@ -192,20 +192,20 @@ static int ca_get_slot_caps(struct dst_state *state, struct ca_caps *p_ca_caps, p_ca_caps->descr_num = slot_cap[7]; p_ca_caps->descr_type = 1; - if (copy_to_user((struct ca_caps *)arg, p_ca_caps, sizeof (struct ca_caps))) + if (copy_to_user(arg, p_ca_caps, sizeof (struct ca_caps))) return -EFAULT; return 0; } /* Need some more work */ -static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void *arg) +static int ca_get_slot_descr(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg) { return -EOPNOTSUPP; } -static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void *arg) +static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_slot_info, void __user *arg) { int i; static u8 slot_command[8] = {0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff}; @@ -238,19 +238,19 @@ static int ca_get_slot_info(struct dst_state *state, struct ca_slot_info *p_ca_s } else p_ca_slot_info->flags = 0; - if (copy_to_user((struct ca_slot_info *)arg, p_ca_slot_info, sizeof (struct ca_slot_info))) + if (copy_to_user(arg, p_ca_slot_info, sizeof (struct ca_slot_info))) return -EFAULT; return 0; } -static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg) +static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg) { u8 i = 0; u32 command = 0; - if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) + if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) return -EFAULT; if (p_ca_message->msg) { @@ -266,7 +266,7 @@ static int ca_get_message(struct dst_state *state, struct ca_msg *p_ca_message, switch (command) { case CA_APP_INFO: memcpy(p_ca_message->msg, state->messages, 128); - if (copy_to_user((void *)arg, p_ca_message, sizeof (struct ca_msg)) ) + if (copy_to_user(arg, p_ca_message, sizeof (struct ca_msg)) ) return -EFAULT; break; } @@ -315,7 +315,7 @@ static int write_to_8820(struct dst_state *state, struct ca_msg *hw_buffer, u8 l return 0; } -u32 asn_1_decode(u8 *asn_1_array) +static u32 asn_1_decode(u8 *asn_1_array) { u8 length_field = 0, word_count = 0, count = 0; u32 length = 0; @@ -400,7 +400,7 @@ static int dst_check_ca_pmt(struct dst_state *state, struct ca_msg *p_ca_message return 0; } -static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void *arg) +static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, void __user *arg) { int i = 0; unsigned int ca_message_header_len; @@ -414,7 +414,7 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, } dprintk(verbose, DST_CA_DEBUG, 1, " "); - if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) + if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) return -EFAULT; if (p_ca_message->msg) { @@ -461,13 +461,14 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message, return 0; } -static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg) +static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long ioctl_arg) { struct dvb_device* dvbdev = (struct dvb_device*) file->private_data; struct dst_state* state = (struct dst_state*) dvbdev->priv; struct ca_slot_info *p_ca_slot_info; struct ca_caps *p_ca_caps; struct ca_msg *p_ca_message; + void __user *arg = (void __user *)ioctl_arg; if ((p_ca_message = (struct ca_msg *) kmalloc(sizeof (struct ca_msg), GFP_KERNEL)) == NULL) { dprintk(verbose, DST_CA_ERROR, 1, " Memory allocation failure"); @@ -583,7 +584,7 @@ static int dst_ca_write(struct file *file, const char __user *buffer, size_t len static struct file_operations dst_ca_fops = { .owner = THIS_MODULE, - .ioctl = (void *)dst_ca_ioctl, + .ioctl = dst_ca_ioctl, .open = dst_ca_open, .release = dst_ca_release, .read = dst_ca_read, |