V4L/DVB (8788): v4l: replace video_get_drvdata(video_devdata(filp)) with video_drvdata(filp)

Use the new video_drvdata(filp) function where it is safe to do so.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/radio/radio-gemtek-pci.c b/drivers/media/radio/radio-gemtek-pci.c
index 1f57f73..e15bee6 100644
--- a/drivers/media/radio/radio-gemtek-pci.c
+++ b/drivers/media/radio/radio-gemtek-pci.c
@@ -204,8 +204,7 @@
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct video_device *dev = video_devdata(file);
-	struct gemtek_pci_card *card = video_get_drvdata(dev);
+	struct gemtek_pci_card *card = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
@@ -232,8 +231,7 @@
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct video_device *dev = video_devdata(file);
-	struct gemtek_pci_card *card = video_get_drvdata(dev);
+	struct gemtek_pci_card *card = video_drvdata(file);
 
 	if ( (f->frequency < GEMTEK_PCI_RANGE_LOW) ||
 			(f->frequency > GEMTEK_PCI_RANGE_HIGH) )
@@ -247,8 +245,7 @@
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct video_device *dev = video_devdata(file);
-	struct gemtek_pci_card *card = video_get_drvdata(dev);
+	struct gemtek_pci_card *card = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = card->current_frequency;
@@ -272,8 +269,7 @@
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct video_device *dev = video_devdata(file);
-	struct gemtek_pci_card *card = video_get_drvdata(dev);
+	struct gemtek_pci_card *card = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -292,8 +288,7 @@
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct video_device *dev = video_devdata(file);
-	struct gemtek_pci_card *card = video_get_drvdata(dev);
+	struct gemtek_pci_card *card = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE: