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path: root/drivers/media/dvb/bt8xx/dst_ca.c
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Diffstat (limited to 'drivers/media/dvb/bt8xx/dst_ca.c')
-rw-r--r--drivers/media/dvb/bt8xx/dst_ca.c14
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,