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: (583 commits)
  V4L/DVB (10130): use USB API functions rather than constants
  V4L/DVB (10129): dvb: remove deprecated use of RW_LOCK_UNLOCKED in frontends
  V4L/DVB (10128): modify V4L documentation to be a valid XHTML
  V4L/DVB (10127): stv06xx: Avoid having y unitialized
  V4L/DVB (10125): em28xx: Don't do AC97 vendor detection for i2s audio devices
  V4L/DVB (10124): em28xx: expand output formats available
  V4L/DVB (10123): em28xx: fix reversed definitions of I2S audio modes
  V4L/DVB (10122): em28xx: don't load em28xx-alsa for em2870 based devices
  V4L/DVB (10121): em28xx: remove worthless Pinnacle PCTV HD Mini 80e device profile
  V4L/DVB (10120): em28xx: remove redundant Pinnacle Dazzle DVC 100 profile
  V4L/DVB (10119): em28xx: fix corrupted XCLK value
  V4L/DVB (10118): zoran: fix warning for a variable not used
  V4L/DVB (10116): af9013: Fix gcc false warnings
  V4L/DVB (10111a): usbvideo.h: remove an useless blank line
  V4L/DVB (10111): quickcam_messenger.c: fix a warning
  V4L/DVB (10110): v4l2-ioctl: Fix warnings when using .unlocked_ioctl = __video_ioctl2
  V4L/DVB (10109): anysee: Fix usage of an unitialized function
  V4L/DVB (10104): uvcvideo: Add support for video output devices
  V4L/DVB (10102): uvcvideo: Ignore interrupt endpoint for built-in iSight webcams.
  V4L/DVB (10101): uvcvideo: Fix bulk URB processing when the header is erroneous
  ...

1 files changed, 91 insertions, 32 deletions

diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 256cbeffdcb6..e730eddb2bb5 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -72,6 +72,11 @@ MODULE_LICENSE("GPL");
 #define USB_AMRADIO_VENDOR 0x07ca
 #define USB_AMRADIO_PRODUCT 0xb800
 
+/* dev_warn macro with driver name */
+#define MR800_DRIVER_NAME "radio-mr800"
+#define amradio_dev_warn(dev, fmt, arg...)				\
+		dev_warn(dev, MR800_DRIVER_NAME " - " fmt, ##arg)
+
 /* Probably USB_TIMEOUT should be modified in module parameter */
 #define BUFFER_LENGTH 8
 #define USB_TIMEOUT 500
@@ -154,14 +159,14 @@ MODULE_DEVICE_TABLE(usb, usb_amradio_device_table);
 
 /* USB subsystem interface */
 static struct usb_driver usb_amradio_driver = {
-	.name			= "radio-mr800",
+	.name			= MR800_DRIVER_NAME,
 	.probe			= usb_amradio_probe,
 	.disconnect		= usb_amradio_disconnect,
 	.suspend		= usb_amradio_suspend,
 	.resume			= usb_amradio_resume,
 	.reset_resume		= usb_amradio_resume,
 	.id_table		= usb_amradio_device_table,
-	.supports_autosuspend	= 1,
+	.supports_autosuspend	= 0,
 };
 
 /* switch on radio. Send 8 bytes to device. */
@@ -202,6 +207,10 @@ static int amradio_stop(struct amradio_device *radio)
 	int retval;
 	int size;
 
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	mutex_lock(&radio->lock);
 
 	radio->buffer[0] = 0x00;
@@ -235,6 +244,10 @@ static int amradio_setfreq(struct amradio_device *radio, int freq)
 	int size;
 	unsigned short freq_send = 0x13 + (freq >> 3) / 25;
 
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	mutex_lock(&radio->lock);
 
 	radio->buffer[0] = 0x00;
@@ -288,18 +301,12 @@ static void usb_amradio_disconnect(struct usb_interface *intf)
 {
 	struct amradio_device *radio = usb_get_intfdata(intf);
 
-	usb_set_intfdata(intf, NULL);
+	mutex_lock(&radio->lock);
+	radio->removed = 1;
+	mutex_unlock(&radio->lock);
 
-	if (radio) {
-		video_unregister_device(radio->videodev);
-		radio->videodev = NULL;
-		if (radio->users) {
-			kfree(radio->buffer);
-			kfree(radio);
-		} else {
-			radio->removed = 1;
-		}
-	}
+	usb_set_intfdata(intf, NULL);
+	video_unregister_device(radio->videodev);
 }
 
 /* vidioc_querycap - query device capabilities */
@@ -320,6 +327,10 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 {
 	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
 
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	if (v->index > 0)
 		return -EINVAL;
 
@@ -346,6 +357,12 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 static int vidioc_s_tuner(struct file *file, void *priv,
 				struct v4l2_tuner *v)
 {
+	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	if (v->index > 0)
 		return -EINVAL;
 	return 0;
@@ -357,9 +374,14 @@ static int vidioc_s_frequency(struct file *file, void *priv,
 {
 	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
 
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	radio->curfreq = f->frequency;
 	if (amradio_setfreq(radio, radio->curfreq) < 0)
-		warn("Set frequency failed");
+		amradio_dev_warn(&radio->videodev->dev,
+			"set frequency failed\n");
 	return 0;
 }
 
@@ -369,6 +391,10 @@ static int vidioc_g_frequency(struct file *file, void *priv,
 {
 	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
 
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	f->type = V4L2_TUNER_RADIO;
 	f->frequency = radio->curfreq;
 	return 0;
@@ -382,8 +408,7 @@ static int vidioc_queryctrl(struct file *file, void *priv,
 
 	for (i = 0; i < ARRAY_SIZE(radio_qctrl); i++) {
 		if (qc->id && qc->id == radio_qctrl[i].id) {
-			memcpy(qc, &(radio_qctrl[i]),
-						sizeof(*qc));
+			memcpy(qc, &(radio_qctrl[i]), sizeof(*qc));
 			return 0;
 		}
 	}
@@ -396,6 +421,10 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
 {
 	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
 
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		ctrl->value = radio->muted;
@@ -410,16 +439,22 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 {
 	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
 
+	/* safety check */
+	if (radio->removed)
+		return -EIO;
+
 	switch (ctrl->id) {
 	case V4L2_CID_AUDIO_MUTE:
 		if (ctrl->value) {
 			if (amradio_stop(radio) < 0) {
-				warn("amradio_stop() failed");
+				amradio_dev_warn(&radio->videodev->dev,
+					"amradio_stop failed\n");
 				return -1;
 			}
 		} else {
 			if (amradio_start(radio) < 0) {
-				warn("amradio_start() failed");
+				amradio_dev_warn(&radio->videodev->dev,
+					"amradio_start failed\n");
 				return -1;
 			}
 		}
@@ -475,30 +510,38 @@ static int usb_amradio_open(struct inode *inode, struct file *file)
 	radio->muted = 1;
 
 	if (amradio_start(radio) < 0) {
-		warn("Radio did not start up properly");
+		amradio_dev_warn(&radio->videodev->dev,
+			"radio did not start up properly\n");
 		radio->users = 0;
 		unlock_kernel();
 		return -EIO;
 	}
 	if (amradio_setfreq(radio, radio->curfreq) < 0)
-		warn("Set frequency failed");
+		amradio_dev_warn(&radio->videodev->dev,
+			"set frequency failed\n");
 
 	unlock_kernel();
 	return 0;
 }
 
-/*close device - free driver structures */
+/*close device */
 static int usb_amradio_close(struct inode *inode, struct file *file)
 {
 	struct amradio_device *radio = video_get_drvdata(video_devdata(file));
+	int retval;
 
 	if (!radio)
 		return -ENODEV;
+
 	radio->users = 0;
-	if (radio->removed) {
-		kfree(radio->buffer);
-		kfree(radio);
+
+	if (!radio->removed) {
+		retval = amradio_stop(radio);
+		if (retval < 0)
+			amradio_dev_warn(&radio->videodev->dev,
+				"amradio_stop failed\n");
 	}
+
 	return 0;
 }
 
@@ -508,9 +551,9 @@ static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message)
 	struct amradio_device *radio = usb_get_intfdata(intf);
 
 	if (amradio_stop(radio) < 0)
-		warn("amradio_stop() failed");
+		dev_warn(&intf->dev, "amradio_stop failed\n");
 
-	info("radio-mr800: Going into suspend..");
+	dev_info(&intf->dev, "going into suspend..\n");
 
 	return 0;
 }
@@ -521,9 +564,9 @@ static int usb_amradio_resume(struct usb_interface *intf)
 	struct amradio_device *radio = usb_get_intfdata(intf);
 
 	if (amradio_start(radio) < 0)
-		warn("amradio_start() failed");
+		dev_warn(&intf->dev, "amradio_start failed\n");
 
-	info("radio-mr800: Coming out of suspend..");
+	dev_info(&intf->dev, "coming out of suspend..\n");
 
 	return 0;
 }
@@ -555,12 +598,24 @@ static const struct v4l2_ioctl_ops usb_amradio_ioctl_ops = {
 	.vidioc_s_input     = vidioc_s_input,
 };
 
+static void usb_amradio_device_release(struct video_device *videodev)
+{
+	struct amradio_device *radio = video_get_drvdata(videodev);
+
+	/* we call v4l to free radio->videodev */
+	video_device_release(videodev);
+
+	/* free rest memory */
+	kfree(radio->buffer);
+	kfree(radio);
+}
+
 /* V4L2 interface */
 static struct video_device amradio_videodev_template = {
 	.name		= "AverMedia MR 800 USB FM Radio",
 	.fops		= &usb_amradio_fops,
 	.ioctl_ops 	= &usb_amradio_ioctl_ops,
-	.release	= video_device_release,
+	.release	= usb_amradio_device_release,
 };
 
 /* check if the device is present and register with v4l and
@@ -602,7 +657,7 @@ static int usb_amradio_probe(struct usb_interface *intf,
 
 	video_set_drvdata(radio->videodev, radio);
 	if (video_register_device(radio->videodev, VFL_TYPE_RADIO, radio_nr)) {
-		warn("Could not register video device");
+		dev_warn(&intf->dev, "could not register video device\n");
 		video_device_release(radio->videodev);
 		kfree(radio->buffer);
 		kfree(radio);
@@ -617,9 +672,13 @@ static int __init amradio_init(void)
 {
 	int retval = usb_register(&usb_amradio_driver);
 
-	info(DRIVER_VERSION " " DRIVER_DESC);
+	pr_info(KBUILD_MODNAME
+		": version " DRIVER_VERSION " " DRIVER_DESC "\n");
+
 	if (retval)
-		err("usb_register failed. Error number %d", retval);
+		pr_err(KBUILD_MODNAME
+			": usb_register failed. Error number %d\n", retval);
+
 	return retval;
 }