Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (313 commits)
  V4L/DVB (9186): Added support for Prof 7300 DVB-S/S2 cards
  V4L/DVB (9185): S2API: Ensure we have a reasonable ROLLOFF default
  V4L/DVB (9184): cx24116: Change the default SNR units back to percentage by default.
  V4L/DVB (9183): S2API: Return error of the caller provides 0 commands.
  V4L/DVB (9182): S2API: Added support for DTV_HIERARCHY
  V4L/DVB (9181): S2API: Add support fot DTV_GUARD_INTERVAL and DTV_TRANSMISSION_MODE
  V4L/DVB (9180): S2API: Added support for DTV_CODE_RATE_HP/LP
  V4L/DVB (9179): S2API: frontend.h cleanup
  V4L/DVB (9178): cx24116: Add module parameter to return SNR as ESNO.
  V4L/DVB (9177): S2API: Change _8PSK / _16APSK to PSK_8 and APSK_16
  V4L/DVB (9176): Add support for DvbWorld USB cards with STV0288 demodulator.
  V4L/DVB (9175): Remove NULL pointer in stb6000 driver.
  V4L/DVB (9174): Allow custom inittab for ST STV0288 demodulator.
  V4L/DVB (9173): S2API: Remove the hardcoded command limit during validation
  V4L/DVB (9172): S2API: Bugfix related to DVB-S / DVB-S2 tuning for the legacy API.
  V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API.
  V4L/DVB (9170): cx24116: Sanity checking to data input via S2API to the cx24116 demod.
  V4L/DVB (9169): uvcvideo: Support two new Bison Electronics webcams.
  V4L/DVB (9168): Add support for MSI TV@nywhere Plus remote
  V4L/DVB: v4l2-dev: remove duplicated #include
  ...

1 files changed, 21 insertions, 13 deletions

diff --git a/drivers/media/radio/radio-terratec.c b/drivers/media/radio/radio-terratec.c
index 0876fecc5f2..0abb186a947 100644
--- a/drivers/media/radio/radio-terratec.c
+++ b/drivers/media/radio/radio-terratec.c
@@ -79,6 +79,7 @@ static spinlock_t lock;
 
 struct tt_device
 {
+	unsigned long in_use;
 	int port;
 	int curvol;
 	unsigned long curfreq;
@@ -220,8 +221,7 @@ static int vidioc_querycap(struct file *file, void *priv,
 static int vidioc_g_tuner(struct file *file, void *priv,
 					struct v4l2_tuner *v)
 {
-	struct video_device *dev = video_devdata(file);
-	struct tt_device *tt = dev->priv;
+	struct tt_device *tt = video_drvdata(file);
 
 	if (v->index > 0)
 		return -EINVAL;
@@ -248,8 +248,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
 static int vidioc_s_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct video_device *dev = video_devdata(file);
-	struct tt_device *tt = dev->priv;
+	struct tt_device *tt = video_drvdata(file);
 
 	tt->curfreq = f->frequency;
 	tt_setfreq(tt, tt->curfreq);
@@ -259,8 +258,7 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 static int vidioc_g_frequency(struct file *file, void *priv,
 					struct v4l2_frequency *f)
 {
-	struct video_device *dev = video_devdata(file);
-	struct tt_device *tt = dev->priv;
+	struct tt_device *tt = video_drvdata(file);
 
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = tt->curfreq;
@@ -285,8 +283,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 static int vidioc_g_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct video_device *dev = video_devdata(file);
-	struct tt_device *tt = dev->priv;
+	struct tt_device *tt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -305,8 +302,7 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 static int vidioc_s_ctrl(struct file *file, void *priv,
 					struct v4l2_control *ctrl)
 {
-	struct video_device *dev = video_devdata(file);
-	struct tt_device *tt = dev->priv;
+	struct tt_device *tt = video_drvdata(file);
 
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
@@ -356,10 +352,21 @@ static int vidioc_s_audio(struct file *file, void *priv,
 
 static struct tt_device terratec_unit;
 
+static int terratec_exclusive_open(struct inode *inode, struct file *file)
+{
+	return test_and_set_bit(0, &terratec_unit.in_use) ? -EBUSY : 0;
+}
+
+static int terratec_exclusive_release(struct inode *inode, struct file *file)
+{
+	clear_bit(0, &terratec_unit.in_use);
+	return 0;
+}
+
 static const struct file_operations terratec_fops = {
 	.owner		= THIS_MODULE,
-	.open           = video_exclusive_open,
-	.release        = video_exclusive_release,
+	.open           = terratec_exclusive_open,
+	.release        = terratec_exclusive_release,
 	.ioctl		= video_ioctl2,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= v4l_compat_ioctl32,
@@ -386,6 +393,7 @@ static struct video_device terratec_radio = {
 	.name		= "TerraTec ActiveRadio",
 	.fops           = &terratec_fops,
 	.ioctl_ops 	= &terratec_ioctl_ops,
+	.release	= video_device_release_empty,
 };
 
 static int __init terratec_init(void)
@@ -401,7 +409,7 @@ static int __init terratec_init(void)
 		return -EBUSY;
 	}
 
-	terratec_radio.priv=&terratec_unit;
+	video_set_drvdata(&terratec_radio, &terratec_unit);
 
 	spin_lock_init(&lock);