V4L/DVB (11235): changed ioctls to unlocked

Signed-off-by: Stoyan Gaydarov <stoyboyker@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 13 insertions, 5 deletions

diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index 6c68f02c1709..607d7387fb6f 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -552,8 +552,10 @@ 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)
 {
+        lock_kernel();
+
         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;
@@ -647,6 +649,7 @@ 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;
 }
 
@@ -684,7 +687,7 @@ static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t
 
 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,
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index a525a924edfa..384da45807a0 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -673,8 +673,9 @@ static int dabusb_release (struct inode *inode, struct file *file)
         return 0;
 }
 
-static int dabusb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long dabusb_ioctl (struct file *file, unsigned int cmd, unsigned long arg)
 {
+        lock_kernel();
         pdabusb_t s = (pdabusb_t) file->private_data;
         pbulk_transfer_t pbulk;
         int ret = 0;
@@ -682,13 +683,16 @@ static int dabusb_ioctl (struct inode *inode, struct file *file, unsigned int cm
 
         dbg("dabusb_ioctl");
 
-        if (s->remove_pending)
+        if (s->remove_pending) {
+                unlock_kernel();
                 return -EIO;
+        }
 
         mutex_lock(&s->mutex);
 
         if (!s->usbdev) {
                 mutex_unlock(&s->mutex);
+                unlock_kernel();
                 return -EIO;
         }
 
@@ -729,6 +733,7 @@ static int dabusb_ioctl (struct inode *inode, struct file *file, unsigned int cm
                 break;
         }
         mutex_unlock(&s->mutex);
+        unlock_kernel();
         return ret;
 }
 
@@ -737,7 +742,7 @@ static const struct file_operations dabusb_fops =
         .owner =        THIS_MODULE,
         .llseek =       no_llseek,
         .read =         dabusb_read,
-        .ioctl =        dabusb_ioctl,
+        .unlocked_ioctl =       dabusb_ioctl,
         .open =         dabusb_open,
         .release =      dabusb_release,
 };