diff options
Diffstat (limited to 'drivers/media/dvb/bt8xx/dst_ca.c')
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst_ca.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c index 0258451423a..4601b059b2b 100644 --- a/drivers/media/dvb/bt8xx/dst_ca.c +++ b/drivers/media/dvb/bt8xx/dst_ca.c @@ -552,16 +552,19 @@ free_mem_and_exit: return result; } -static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long ioctl_arg) +static long dst_ca_ioctl(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 dvb_device *dvbdev; + struct dst_state *state; 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; int result = 0; + lock_kernel(); + dvbdev = (struct dvb_device *)file->private_data; + state = (struct dst_state *)dvbdev->priv; p_ca_message = kmalloc(sizeof (struct ca_msg), GFP_KERNEL); p_ca_slot_info = kmalloc(sizeof (struct ca_slot_info), GFP_KERNEL); p_ca_caps = kmalloc(sizeof (struct ca_caps), GFP_KERNEL); @@ -647,6 +650,7 @@ static int dst_ca_ioctl(struct inode *inode, struct file *file, unsigned int cmd kfree (p_ca_slot_info); kfree (p_ca_caps); + unlock_kernel(); return result; } @@ -682,9 +686,9 @@ static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t return 0; } -static struct file_operations dst_ca_fops = { +static const struct file_operations dst_ca_fops = { .owner = THIS_MODULE, - .ioctl = dst_ca_ioctl, + .unlocked_ioctl = dst_ca_ioctl, .open = dst_ca_open, .release = dst_ca_release, .read = dst_ca_read, |