Merge branch 'linus' into tracing/core

Merge reason: tracing/core was on a .30-rc1 base and was missing out on
              on a handful of tracing fixes present in .30-rc5-almost.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

13 files changed, 212 insertions, 115 deletions

diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c
index 92c297796a9f..bd945d04dc90 100644
--- a/drivers/media/radio/radio-si470x.c
+++ b/drivers/media/radio/radio-si470x.c
@@ -1200,7 +1200,7 @@ static int si470x_fops_release(struct file *file)
 			video_unregister_device(radio->videodev);
 			kfree(radio->buffer);
 			kfree(radio);
-			goto unlock;
+			goto done;
 		}
 
 		/* stop rds reception */
diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c
index 4cee0b92eeee..a1e4c0d769a6 100644
--- a/drivers/media/video/au0828/au0828-core.c
+++ b/drivers/media/video/au0828/au0828-core.c
@@ -192,8 +192,6 @@ static int au0828_usb_probe(struct usb_interface *interface,
 	dev->usbdev = usbdev;
 	dev->boardnr = id->driver_info;
 
-	usb_set_intfdata(interface, dev);
-
 	/* Create the v4l2_device */
 	retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
 	if (retval) {
@@ -222,6 +220,10 @@ static int au0828_usb_probe(struct usb_interface *interface,
 	/* Digital TV */
 	au0828_dvb_register(dev);
 
+	/* Store the pointer to the au0828_dev so it can be accessed in
+	   au0828_usb_disconnect */
+	usb_set_intfdata(interface, dev);
+
 	printk(KERN_INFO "Registered device AU0828 [%s]\n",
 		dev->board.name == NULL ? "Unset" : dev->board.name);
 
diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c
index 1519e91c677a..7a8ad5963de8 100644
--- a/drivers/media/video/cx18/cx18-audio.c
+++ b/drivers/media/video/cx18/cx18-audio.c
@@ -44,7 +44,7 @@ int cx18_audio_set_io(struct cx18 *cx)
 
 	/* handle muxer chips */
 	v4l2_subdev_call(cx->sd_extmux, audio, s_routing,
-			in->audio_input, 0, 0);
+			 (u32) in->muxer_input, 0, 0);
 
 	err = cx18_call_hw_err(cx, cx->card->hw_audio_ctrl,
 			       audio, s_routing, in->audio_input, 0, 0);
diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c
index b9b7064a2be8..8591e4fc359f 100644
--- a/drivers/media/video/cx18/cx18-i2c.c
+++ b/drivers/media/video/cx18/cx18-i2c.c
@@ -211,7 +211,7 @@ static struct i2c_algo_bit_data cx18_i2c_algo_template = {
 /* init + register i2c algo-bit adapter */
 int init_cx18_i2c(struct cx18 *cx)
 {
-	int i;
+	int i, err;
 	CX18_DEBUG_I2C("i2c init\n");
 
 	for (i = 0; i < 2; i++) {
@@ -268,8 +268,18 @@ int init_cx18_i2c(struct cx18 *cx)
 	cx18_call_hw(cx, CX18_HW_GPIO_RESET_CTRL,
 		     core, reset, (u32) CX18_GPIO_RESET_I2C);
 
-	return i2c_bit_add_bus(&cx->i2c_adap[0]) ||
-		i2c_bit_add_bus(&cx->i2c_adap[1]);
+	err = i2c_bit_add_bus(&cx->i2c_adap[0]);
+	if (err)
+		goto err;
+	err = i2c_bit_add_bus(&cx->i2c_adap[1]);
+	if (err)
+		goto err_del_bus_0;
+	return 0;
+
+ err_del_bus_0:
+	i2c_del_adapter(&cx->i2c_adap[0]);
+ err:
+	return err;
 }
 
 void exit_cx18_i2c(struct cx18 *cx)
diff --git a/drivers/media/video/cx231xx/Kconfig b/drivers/media/video/cx231xx/Kconfig
index 91156546a07a..477d4ab5e9ac 100644
--- a/drivers/media/video/cx231xx/Kconfig
+++ b/drivers/media/video/cx231xx/Kconfig
@@ -1,12 +1,11 @@
 config VIDEO_CX231XX
-       tristate "Conexant cx231xx USB video capture support"
-       depends on VIDEO_DEV && I2C && INPUT
-       select VIDEO_TUNER
-       select VIDEO_TVEEPROM
-       select VIDEO_IR
-       select VIDEOBUF_VMALLOC
-       select VIDEO_CX25840
-       select VIDEO_CX231XX_ALSA
+	tristate "Conexant cx231xx USB video capture support"
+	depends on VIDEO_DEV && I2C && INPUT
+	select VIDEO_TUNER
+	select VIDEO_TVEEPROM
+	select VIDEO_IR
+	select VIDEOBUF_VMALLOC
+	select VIDEO_CX25840
 
 	---help---
 	  This is a video4linux driver for Conexant 231xx USB based TV cards.
@@ -15,21 +14,22 @@ config VIDEO_CX231XX
 	  module will be called cx231xx
 
 config VIDEO_CX231XX_ALSA
-    tristate "Conexant Cx231xx ALSA audio module"
-       depends on VIDEO_CX231XX && SND
-       select SND_PCM
+	tristate "Conexant Cx231xx ALSA audio module"
+	depends on VIDEO_CX231XX && SND
+	select SND_PCM
 
-       ---help---
-	 This is an ALSA driver for Cx231xx USB based TV cards.
+	---help---
+	  This is an ALSA driver for Cx231xx USB based TV cards.
 
-	 To compile this driver as a module, choose M here: the
-	 module will be called cx231xx-alsa
+	  To compile this driver as a module, choose M here: the
+	  module will be called cx231xx-alsa
 
 config VIDEO_CX231XX_DVB
-       tristate "DVB/ATSC Support for Cx231xx based TV cards"
-       depends on VIDEO_CX231XX && DVB_CORE
-       select VIDEOBUF_DVB
-       select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMISE
-       ---help---
-	 This adds support for DVB cards based on the
-	 Conexant cx231xx chips.
+	tristate "DVB/ATSC Support for Cx231xx based TV cards"
+	depends on VIDEO_CX231XX && DVB_CORE
+	select VIDEOBUF_DVB
+	select MEDIA_TUNER_XC5000 if !DVB_FE_CUSTOMISE
+
+	---help---
+	  This adds support for DVB cards based on the
+	  Conexant cx231xx chips.
diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index a3c0565be1a9..6d6293f7d428 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -441,9 +441,9 @@ int cx23885_tuner_callback(void *priv, int component, int command, int arg)
 	case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP:
 		/* Two identical tuners on two different i2c buses,
 		 * we need to reset the correct gpio. */
-		if (port->nr == 0)
+		if (port->nr == 1)
 			bitmask = 0x01;
-		else if (port->nr == 1)
+		else if (port->nr == 2)
 			bitmask = 0x04;
 		break;
 	}
diff --git a/drivers/media/video/cx23885/cx23885-dvb.c b/drivers/media/video/cx23885/cx23885-dvb.c
index f48454ab3900..0c49a98213c4 100644
--- a/drivers/media/video/cx23885/cx23885-dvb.c
+++ b/drivers/media/video/cx23885/cx23885-dvb.c
@@ -314,6 +314,7 @@ static struct zl10353_config dvico_fusionhdtv_xc3028 = {
 	.demod_address = 0x0f,
 	.if2           = 45600,
 	.no_tuner      = 1,
+	.disable_i2c_gate_ctrl = 1,
 };
 
 static struct stv0900_config netup_stv0900_config = {
diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c
index c462b811e994..2d0781118eb0 100644
--- a/drivers/media/video/mx3_camera.c
+++ b/drivers/media/video/mx3_camera.c
@@ -1063,10 +1063,6 @@ static struct soc_camera_host_ops mx3_soc_camera_host_ops = {
 	.owner		= THIS_MODULE,
 	.add		= mx3_camera_add_device,
 	.remove		= mx3_camera_remove_device,
-#ifdef CONFIG_PM
-	.suspend	= mx3_camera_suspend,
-	.resume		= mx3_camera_resume,
-#endif
 	.set_crop	= mx3_camera_set_crop,
 	.set_fmt	= mx3_camera_set_fmt,
 	.try_fmt	= mx3_camera_try_fmt,
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index d9d974a8f52a..add3395d3248 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -1461,7 +1461,6 @@ static int pvr2_upload_firmware1(struct pvr2_hdw *hdw)
 		return ret;
 	}
 
-	usb_settoggle(hdw->usb_dev, 0 & 0xf, !(0 & USB_DIR_IN), 0);
 	usb_clear_halt(hdw->usb_dev, usb_sndbulkpipe(hdw->usb_dev, 0 & 0x7f));
 
 	pipe = usb_sndctrlpipe(hdw->usb_dev, 0);
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c
index f9fbe02e0f69..50b415e07eda 100644
--- a/drivers/media/video/pwc/pwc-ctrl.c
+++ b/drivers/media/video/pwc/pwc-ctrl.c
@@ -159,35 +159,67 @@ static void pwc_set_image_buffer_size(struct pwc_device *pdev);
 
 /****************************************************************************/
 
+static int _send_control_msg(struct pwc_device *pdev,
+	u8 request, u16 value, int index, void *buf, int buflen, int timeout)
+{
+	int rc;
+	void *kbuf = NULL;
+
+	if (buflen) {
+		kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
+		if (kbuf == NULL)
+			return -ENOMEM;
+		memcpy(kbuf, buf, buflen);
+	}
 
-#define SendControlMsg(request, value, buflen) \
-	usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0), \
-		request, \
-		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
-		value, \
-		pdev->vcinterface, \
-		&buf, buflen, 500)
+	rc = usb_control_msg(pdev->udev, usb_sndctrlpipe(pdev->udev, 0),
+		request,
+		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		value,
+		index,
+		kbuf, buflen, timeout);
 
-#define RecvControlMsg(request, value, buflen) \
-	usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0), \
-		request, \
-		USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, \
-		value, \
-		pdev->vcinterface, \
-		&buf, buflen, 500)
+	kfree(kbuf);
+	return rc;
+}
 
+static int recv_control_msg(struct pwc_device *pdev,
+	u8 request, u16 value, void *buf, int buflen)
+{
+	int rc;
+	void *kbuf = kmalloc(buflen, GFP_KERNEL); /* not allowed on stack */
+
+	if (kbuf == NULL)
+		return -ENOMEM;
+
+	rc = usb_control_msg(pdev->udev, usb_rcvctrlpipe(pdev->udev, 0),
+		request,
+		USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		value,
+		pdev->vcinterface,
+		kbuf, buflen, 500);
+	memcpy(buf, kbuf, buflen);
+	kfree(kbuf);
+	return rc;
+}
 
-static int send_video_command(struct usb_device *udev, int index, void *buf, int buflen)
+static inline int send_video_command(struct pwc_device *pdev,
+	int index, void *buf, int buflen)
 {
-	return usb_control_msg(udev,
-		usb_sndctrlpipe(udev, 0),
+	return _send_control_msg(pdev,
 		SET_EP_STREAM_CTL,
-		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 		VIDEO_OUTPUT_CONTROL_FORMATTER,
 		index,
 		buf, buflen, 1000);
 }
 
+static inline int send_control_msg(struct pwc_device *pdev,
+	u8 request, u16 value, void *buf, int buflen)
+{
+	return _send_control_msg(pdev,
+		request, value, pdev->vcinterface, buf, buflen, 500);
+}
+
 
 
 static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
@@ -224,7 +256,7 @@ static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
 		return -EINVAL;
 
 	memcpy(buf, pEntry->mode, 3);
-	ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 3);
+	ret = send_video_command(pdev, pdev->vendpoint, buf, 3);
 	if (ret < 0) {
 		PWC_DEBUG_MODULE("Failed to send video command... %d\n", ret);
 		return ret;
@@ -285,7 +317,7 @@ static int set_video_mode_Timon(struct pwc_device *pdev, int size, int frames, i
 	memcpy(buf, pChoose->mode, 13);
 	if (snapshot)
 		buf[0] |= 0x80;
-	ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 13);
+	ret = send_video_command(pdev, pdev->vendpoint, buf, 13);
 	if (ret < 0)
 		return ret;
 
@@ -358,7 +390,7 @@ static int set_video_mode_Kiara(struct pwc_device *pdev, int size, int frames, i
 		buf[0] |= 0x80;
 
 	/* Firmware bug: video endpoint is 5, but commands are sent to endpoint 4 */
-	ret = send_video_command(pdev->udev, 4 /* pdev->vendpoint */, buf, 12);
+	ret = send_video_command(pdev, 4 /* pdev->vendpoint */, buf, 12);
 	if (ret < 0)
 		return ret;
 
@@ -530,7 +562,8 @@ int pwc_get_brightness(struct pwc_device *pdev)
 	char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	return buf;
@@ -545,7 +578,8 @@ int pwc_set_brightness(struct pwc_device *pdev, int value)
 	if (value > 0xffff)
 		value = 0xffff;
 	buf = (value >> 9) & 0x7f;
-	return SendControlMsg(SET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
 }
 
 /* CONTRAST */
@@ -555,7 +589,8 @@ int pwc_get_contrast(struct pwc_device *pdev)
 	char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_LUM_CTL, CONTRAST_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	return buf;
@@ -570,7 +605,8 @@ int pwc_set_contrast(struct pwc_device *pdev, int value)
 	if (value > 0xffff)
 		value = 0xffff;
 	buf = (value >> 10) & 0x3f;
-	return SendControlMsg(SET_LUM_CTL, CONTRAST_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
 }
 
 /* GAMMA */
@@ -580,7 +616,8 @@ int pwc_get_gamma(struct pwc_device *pdev)
 	char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_LUM_CTL, GAMMA_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	return buf;
@@ -595,7 +632,8 @@ int pwc_set_gamma(struct pwc_device *pdev, int value)
 	if (value > 0xffff)
 		value = 0xffff;
 	buf = (value >> 11) & 0x1f;
-	return SendControlMsg(SET_LUM_CTL, GAMMA_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
 }
 
 
@@ -613,7 +651,8 @@ int pwc_get_saturation(struct pwc_device *pdev, int *value)
 		saturation_register = SATURATION_MODE_FORMATTER2;
 	else
 		saturation_register = SATURATION_MODE_FORMATTER1;
-	ret = RecvControlMsg(GET_CHROM_CTL, saturation_register, 1);
+	ret = recv_control_msg(pdev,
+		GET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*value = (signed)buf;
@@ -636,7 +675,8 @@ int pwc_set_saturation(struct pwc_device *pdev, int value)
 		saturation_register = SATURATION_MODE_FORMATTER2;
 	else
 		saturation_register = SATURATION_MODE_FORMATTER1;
-	return SendControlMsg(SET_CHROM_CTL, saturation_register, 1);
+	return send_control_msg(pdev,
+		SET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
 }
 
 /* AGC */
@@ -651,7 +691,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
 	else
 		buf = 0xff; /* fixed */
 
-	ret = SendControlMsg(SET_LUM_CTL, AGC_MODE_FORMATTER, 1);
+	ret = send_control_msg(pdev,
+		SET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
 
 	if (!mode && ret >= 0) {
 		if (value < 0)
@@ -659,7 +700,8 @@ int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
 		if (value > 0xffff)
 			value = 0xffff;
 		buf = (value >> 10) & 0x3F;
-		ret = SendControlMsg(SET_LUM_CTL, PRESET_AGC_FORMATTER, 1);
+		ret = send_control_msg(pdev,
+			SET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
 	}
 	if (ret < 0)
 		return ret;
@@ -671,12 +713,14 @@ int pwc_get_agc(struct pwc_device *pdev, int *value)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_LUM_CTL, AGC_MODE_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 
 	if (buf != 0) { /* fixed */
-		ret = RecvControlMsg(GET_LUM_CTL, PRESET_AGC_FORMATTER, 1);
+		ret = recv_control_msg(pdev,
+			GET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
 		if (ret < 0)
 			return ret;
 		if (buf > 0x3F)
@@ -684,7 +728,8 @@ int pwc_get_agc(struct pwc_device *pdev, int *value)
 		*value = (buf << 10);
 	}
 	else { /* auto */
-		ret = RecvControlMsg(GET_STATUS_CTL, READ_AGC_FORMATTER, 1);
+		ret = recv_control_msg(pdev,
+			GET_STATUS_CTL, READ_AGC_FORMATTER, &buf, sizeof(buf));
 		if (ret < 0)
 			return ret;
 		/* Gah... this value ranges from 0x00 ... 0x9F */
@@ -707,7 +752,8 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
 	else
 		buf[0] = 0xff; /* fixed */
 
-	ret = SendControlMsg(SET_LUM_CTL, SHUTTER_MODE_FORMATTER, 1);
+	ret = send_control_msg(pdev,
+		SET_LUM_CTL, SHUTTER_MODE_FORMATTER, &buf, sizeof(buf));
 
 	if (!mode && ret >= 0) {
 		if (value < 0)
@@ -726,7 +772,9 @@ int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
 			buf[0] = value >> 8;
 		}
 
-		ret = SendControlMsg(SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, 2);
+		ret = send_control_msg(pdev,
+			SET_LUM_CTL, PRESET_SHUTTER_FORMATTER,
+			&buf, sizeof(buf));
 	}
 	return ret;
 }
@@ -737,7 +785,8 @@ int pwc_get_shutter_speed(struct pwc_device *pdev, int *value)
 	unsigned char buf[2];
 	int ret;
 
-	ret = RecvControlMsg(GET_STATUS_CTL, READ_SHUTTER_FORMATTER, 2);
+	ret = recv_control_msg(pdev,
+		GET_STATUS_CTL, READ_SHUTTER_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*value = buf[0] + (buf[1] << 8);
@@ -764,7 +813,9 @@ int pwc_camera_power(struct pwc_device *pdev, int power)
 		buf = 0x00; /* active */
 	else
 		buf = 0xFF; /* power save */
-	return SendControlMsg(SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_STATUS_CTL, SET_POWER_SAVE_MODE_FORMATTER,
+		&buf, sizeof(buf));
 }
 
 
@@ -773,20 +824,20 @@ int pwc_camera_power(struct pwc_device *pdev, int power)
 
 int pwc_restore_user(struct pwc_device *pdev)
 {
-	char buf; /* dummy */
-	return SendControlMsg(SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, 0);
+	return send_control_msg(pdev,
+		SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, NULL, 0);
 }
 
 int pwc_save_user(struct pwc_device *pdev)
 {
-	char buf; /* dummy */
-	return SendControlMsg(SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, 0);
+	return send_control_msg(pdev,
+		SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, NULL, 0);
 }
 
 int pwc_restore_factory(struct pwc_device *pdev)
 {
-	char buf; /* dummy */
-	return SendControlMsg(SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, 0);
+	return send_control_msg(pdev,
+		SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, NULL, 0);
 }
 
  /* ************************************************* */
@@ -814,7 +865,8 @@ int pwc_set_awb(struct pwc_device *pdev, int mode)
 
 	buf = mode & 0x07; /* just the lowest three bits */
 
-	ret = SendControlMsg(SET_CHROM_CTL, WB_MODE_FORMATTER, 1);
+	ret = send_control_msg(pdev,
+		SET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
 
 	if (ret < 0)
 		return ret;
@@ -826,7 +878,8 @@ int pwc_get_awb(struct pwc_device *pdev)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_CHROM_CTL, WB_MODE_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
 
 	if (ret < 0)
 		return ret;
@@ -843,7 +896,9 @@ int pwc_set_red_gain(struct pwc_device *pdev, int value)
 		value = 0xffff;
 	/* only the msb is considered */
 	buf = value >> 8;
-	return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
+		&buf, sizeof(buf));
 }
 
 int pwc_get_red_gain(struct pwc_device *pdev, int *value)
@@ -851,7 +906,9 @@ int pwc_get_red_gain(struct pwc_device *pdev, int *value)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
+		&buf, sizeof(buf));
 	if (ret < 0)
 	    return ret;
 	*value = buf << 8;
@@ -869,7 +926,9 @@ int pwc_set_blue_gain(struct pwc_device *pdev, int value)
 		value = 0xffff;
 	/* only the msb is considered */
 	buf = value >> 8;
-	return SendControlMsg(SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
+		&buf, sizeof(buf));
 }
 
 int pwc_get_blue_gain(struct pwc_device *pdev, int *value)
@@ -877,7 +936,9 @@ int pwc_get_blue_gain(struct pwc_device *pdev, int *value)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
+		&buf, sizeof(buf));
 	if (ret < 0)
 	    return ret;
 	*value = buf << 8;
@@ -894,7 +955,8 @@ static int pwc_read_red_gain(struct pwc_device *pdev, int *value)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*value = buf << 8;
@@ -906,7 +968,8 @@ static int pwc_read_blue_gain(struct pwc_device *pdev, int *value)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*value = buf << 8;
@@ -920,7 +983,8 @@ static int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
 
 	/* useful range is 0x01..0x20 */
 	buf = speed / 0x7f0;
-	return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
 }
 
 static int pwc_get_wb_speed(struct pwc_device *pdev, int *value)
@@ -928,7 +992,8 @@ static int pwc_get_wb_speed(struct pwc_device *pdev, int *value)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*value = buf * 0x7f0;
@@ -942,7 +1007,8 @@ static int pwc_set_wb_delay(struct pwc_device *pdev, int delay)
 
 	/* useful range is 0x01..0x3F */
 	buf = (delay >> 10);
-	return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
 }
 
 static int pwc_get_wb_delay(struct pwc_device *pdev, int *value)
@@ -950,7 +1016,8 @@ static int pwc_get_wb_delay(struct pwc_device *pdev, int *value)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*value = buf << 10;
@@ -978,7 +1045,8 @@ int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value)
 	buf[0] = on_value;
 	buf[1] = off_value;
 
-	return SendControlMsg(SET_STATUS_CTL, LED_FORMATTER, 2);
+	return send_control_msg(pdev,
+		SET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
 }
 
 static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
@@ -992,7 +1060,8 @@ static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
 		return 0;
 	}
 
-	ret = RecvControlMsg(GET_STATUS_CTL, LED_FORMATTER, 2);
+	ret = recv_control_msg(pdev,
+		GET_STATUS_CTL, LED_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*on_value = buf[0] * 100;
@@ -1009,7 +1078,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour)
 		buf = 0xff; /* auto contour on */
 	else
 		buf = 0x0; /* auto contour off */
-	ret = SendControlMsg(SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
+	ret = send_control_msg(pdev,
+		SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 
@@ -1019,7 +1089,8 @@ int pwc_set_contour(struct pwc_device *pdev, int contour)
 		contour = 0xffff;
 
 	buf = (contour >> 10); /* contour preset is [0..3f] */
-	ret = SendControlMsg(SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
+	ret = send_control_msg(pdev,
+		SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	return 0;
@@ -1030,13 +1101,16 @@ int pwc_get_contour(struct pwc_device *pdev, int *contour)
 	unsigned char buf;
 	int ret;
 
-	ret = RecvControlMsg(GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 
 	if (buf == 0) {
 		/* auto mode off, query current preset value */
-		ret = RecvControlMsg(GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
+		ret = recv_control_msg(pdev,
+			GET_LUM_CTL, PRESET_CONTOUR_FORMATTER,
+			&buf, sizeof(buf));
 		if (ret < 0)
 			return ret;
 		*contour = buf << 10;
@@ -1055,7 +1129,9 @@ int pwc_set_backlight(struct pwc_device *pdev, int backlight)
 		buf = 0xff;
 	else
 		buf = 0x0;
-	return SendControlMsg(SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
+		&buf, sizeof(buf));
 }
 
 int pwc_get_backlight(struct pwc_device *pdev, int *backlight)
@@ -1063,7 +1139,9 @@ int pwc_get_backlight(struct pwc_device *pdev, int *backlight)
 	int ret;
 	unsigned char buf;
 
-	ret = RecvControlMsg(GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
+		&buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*backlight = !!buf;
@@ -1078,7 +1156,8 @@ int pwc_set_colour_mode(struct pwc_device *pdev, int colour)
 		buf = 0xff;
 	else
 		buf = 0x0;
-	return SendControlMsg(SET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
 }
 
 int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
@@ -1086,7 +1165,8 @@ int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
 	int ret;
 	unsigned char buf;
 
-	ret = RecvControlMsg(GET_CHROM_CTL, COLOUR_MODE_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*colour = !!buf;
@@ -1102,7 +1182,8 @@ int pwc_set_flicker(struct pwc_device *pdev, int flicker)
 		buf = 0xff;
 	else
 		buf = 0x0;
-	return SendControlMsg(SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
 }
 
 int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
@@ -1110,7 +1191,8 @@ int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
 	int ret;
 	unsigned char buf;
 
-	ret = RecvControlMsg(GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*flicker = !!buf;
@@ -1126,7 +1208,9 @@ int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise)
 	if (noise > 3)
 		noise = 3;
 	buf = noise;
-	return SendControlMsg(SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
+		&buf, sizeof(buf));
 }
 
 int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise)
@@ -1134,7 +1218,9 @@ int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise)
 	int ret;
 	unsigned char buf;
 
-	ret = RecvControlMsg(GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
+	ret = recv_control_msg(pdev,
+		GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
+		&buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	*noise = buf;
@@ -1146,7 +1232,8 @@ static int _pwc_mpt_reset(struct pwc_device *pdev, int flags)
 	unsigned char buf;
 
 	buf = flags & 0x03; // only lower two bits are currently used
-	return SendControlMsg(SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, 1);
+	return send_control_msg(pdev,
+		SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, &buf, sizeof(buf));
 }
 
 int pwc_mpt_reset(struct pwc_device *pdev, int flags)
@@ -1175,7 +1262,8 @@ static int _pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
 	buf[1] = (pan >> 8) & 0xFF;
 	buf[2] = tilt & 0xFF;
 	buf[3] = (tilt >> 8) & 0xFF;
-	return SendControlMsg(SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, 4);
+	return send_control_msg(pdev,
+		SET_MPT_CTL, PT_RELATIVE_CONTROL_FORMATTER, &buf, sizeof(buf));
 }
 
 int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
@@ -1211,7 +1299,8 @@ static int pwc_mpt_get_status(struct pwc_device *pdev, struct pwc_mpt_status *st
 	int ret;
 	unsigned char buf[5];
 
-	ret = RecvControlMsg(GET_MPT_CTL, PT_STATUS_FORMATTER, 5);
+	ret = recv_control_msg(pdev,
+		GET_MPT_CTL, PT_STATUS_FORMATTER, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	status->status = buf[0] & 0x7; // 3 bits are used for reporting
@@ -1233,7 +1322,8 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
 	else
 		request = SENSOR_TYPE_FORMATTER2;
 
-	ret = RecvControlMsg(GET_STATUS_CTL, request, 1);
+	ret = recv_control_msg(pdev,
+		GET_STATUS_CTL, request, &buf, sizeof(buf));
 	if (ret < 0)
 		return ret;
 	if (pdev->type < 675)
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c
index 5202cadb2aae..30f4698be90a 100644
--- a/drivers/media/video/s2255drv.c
+++ b/drivers/media/video/s2255drv.c
@@ -1237,6 +1237,7 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
 	buffer[1] = (u32) chn_rev;
 	buffer[2] = CMD_SET_MODE;
 	memcpy(&buffer[3], &dev->mode[chn], sizeof(struct s2255_mode));
+	dev->setmode_ready[chn] = 0;
 	res = s2255_write_config(dev->udev, (unsigned char *)buffer, 512);
 	if (debug)
 		dump_verify_mode(dev, mode);
@@ -1245,7 +1246,6 @@ static int s2255_set_mode(struct s2255_dev *dev, unsigned long chn,
 
 	/* wait at least 3 frames before continuing */
 	if (mode->restart) {
-		dev->setmode_ready[chn] = 0;
 		wait_event_timeout(dev->wait_setmode[chn],
 				   (dev->setmode_ready[chn] != 0),
 				   msecs_to_jiffies(S2255_SETMODE_TIMEOUT));
diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c
index da47b2f05288..155804b061e9 100644
--- a/drivers/media/video/saa5246a.c
+++ b/drivers/media/video/saa5246a.c
@@ -1092,9 +1092,8 @@ static int saa5246a_probe(struct i2c_client *client,
 	/* Register it */
 	err = video_register_device(t->vdev, VFL_TYPE_VTX, -1);
 	if (err < 0) {
-		kfree(t);
 		video_device_release(t->vdev);
-		t->vdev = NULL;
+		kfree(t);
 		return err;
 	}
 	return 0;
diff --git a/drivers/media/video/saa5249.c b/drivers/media/video/saa5249.c
index 48b27fe48087..271d6e931b75 100644
--- a/drivers/media/video/saa5249.c
+++ b/drivers/media/video/saa5249.c
@@ -598,6 +598,7 @@ static int saa5249_probe(struct i2c_client *client,
 	/* Now create a video4linux device */
 	t->vdev = video_device_alloc();
 	if (t->vdev == NULL) {
+		kfree(t);
 		kfree(client);
 		return -ENOMEM;
 	}
@@ -617,9 +618,8 @@ static int saa5249_probe(struct i2c_client *client,
 	/* Register it */
 	err = video_register_device(t->vdev, VFL_TYPE_VTX, -1);
 	if (err < 0) {
-		kfree(t);
 		video_device_release(t->vdev);
-		t->vdev = NULL;
+		kfree(t);
 		return err;
 	}
 	return 0;