1 files changed, 13 insertions, 11 deletions

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 16c7ef20265c..f6cedcd3ab97 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -986,7 +986,7 @@ static void si470x_work(struct work_struct *work)
 static ssize_t si470x_fops_read(struct file *file, char __user *buf,
                 size_t count, loff_t *ppos)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
         unsigned int block_count = 0;
 
@@ -1047,7 +1047,7 @@ done:
 static unsigned int si470x_fops_poll(struct file *file,
                 struct poll_table_struct *pts)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* switch on rds reception */
@@ -1071,9 +1071,10 @@ static unsigned int si470x_fops_poll(struct file *file,
  */
 static int si470x_fops_open(struct inode *inode, struct file *file)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval;
 
+        lock_kernel();
         radio->users++;
 
         retval = usb_autopm_get_interface(radio->intf);
@@ -1090,6 +1091,7 @@ static int si470x_fops_open(struct inode *inode, struct file *file)
         }
 
 done:
+        unlock_kernel();
         return retval;
 }
 
@@ -1099,7 +1101,7 @@ done:
  */
 static int si470x_fops_release(struct inode *inode, struct file *file)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety check */
@@ -1282,7 +1284,7 @@ done:
 static int si470x_vidioc_g_ctrl(struct file *file, void *priv,
                 struct v4l2_control *ctrl)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety checks */
@@ -1318,7 +1320,7 @@ done:
 static int si470x_vidioc_s_ctrl(struct file *file, void *priv,
                 struct v4l2_control *ctrl)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety checks */
@@ -1405,7 +1407,7 @@ done:
 static int si470x_vidioc_g_tuner(struct file *file, void *priv,
                 struct v4l2_tuner *tuner)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety checks */
@@ -1471,7 +1473,7 @@ done:
 static int si470x_vidioc_s_tuner(struct file *file, void *priv,
                 struct v4l2_tuner *tuner)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety checks */
@@ -1505,7 +1507,7 @@ done:
 static int si470x_vidioc_g_frequency(struct file *file, void *priv,
                 struct v4l2_frequency *freq)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety checks */
@@ -1534,7 +1536,7 @@ done:
 static int si470x_vidioc_s_frequency(struct file *file, void *priv,
                 struct v4l2_frequency *freq)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety checks */
@@ -1563,7 +1565,7 @@ done:
 static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,
                 struct v4l2_hw_freq_seek *seek)
 {
-        struct si470x_device *radio = video_get_drvdata(video_devdata(file));
+        struct si470x_device *radio = video_drvdata(file);
         int retval = 0;
 
         /* safety checks */