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:
  V4L/DVB (11680): cafe_ccic: use = instead of == for setting a value at a var
  V4L/DVB (11679): cafe_ccic: fix sensor detection
  V4L/DVB (11675): ivtv/radio: fix V4L2_TUNER_MODE/V4L2_TUNER_SUB confusion
  V4L/DVB (11674): ivtv: fix incorrect bit tests
  V4L/DVB (11669): uvc: fix compile warning
  V4L/DVB (11668): ivtv: fix compiler warning.
  V4L/DVB (11664): cx23885: Frontend wasn't locking on HVR-1500
  V4L/DVB (11662): v4l2-ioctl: Clear buffer type specific trailing fields/padding
  V4L/DVB (11661): v4l2-ioctl: Check buffer types using g_fmt instead of try_fmt
  V4L/DVB (11660): zoran: fix bug when enumerating format -1
  V4L/DVB (11575): uvcvideo: fix uvc resume failed

drivers/media/radio/radio-sf16fmi.c

@@ -153,7 +153,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 	mult = (fmi->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
 	v->rangelow = RSF16_MINFREQ / mult;
 	v->rangehigh = RSF16_MAXFREQ / mult;
-	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 	v->capability = fmi->flags & V4L2_TUNER_CAP_LOW;
 	v->audmode = V4L2_TUNER_MODE_STEREO;
 	v->signal = fmi_getsigstr(fmi);

drivers/media/radio/radio-sf16fmr2.c

@@ -233,7 +233,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 	mult = (fmr2->flags & V4L2_TUNER_CAP_LOW) ? 1 : 1000;
 	v->rangelow = RSF16_MINFREQ / mult;
 	v->rangehigh = RSF16_MAXFREQ / mult;
-	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_MODE_STEREO;
+	v->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO;
 	v->capability = fmr2->flags&V4L2_TUNER_CAP_LOW;
 	v->audmode = fmr2->stereo ? V4L2_TUNER_MODE_STEREO:
 				V4L2_TUNER_MODE_MONO;

drivers/media/video/cafe_ccic.c

@@ -774,6 +774,7 @@ static int cafe_cam_init(struct cafe_camera *cam)
 	ret = __cafe_cam_reset(cam);
 	if (ret)
 		goto out;
+	chip.ident = V4L2_IDENT_NONE;
 	chip.match.type = V4L2_CHIP_MATCH_I2C_ADDR;
 	chip.match.addr = cam->sensor_addr;
 	ret = sensor_call(cam, core, g_chip_ident, &chip);

drivers/media/video/cx23885/cx23885-dvb.c

@@ -472,7 +472,7 @@ static int dvb_register(struct cx23885_tsport *port)
 			static struct xc2028_ctrl ctl = {
 				.fname       = XC2028_DEFAULT_FIRMWARE,
 				.max_len     = 64,
-				.scode_table = XC3028_FE_OREN538,
+				.demod       = XC3028_FE_OREN538,
 			};
 
 			fe = dvb_attach(xc2028_attach,

drivers/media/video/ivtv/ivtv-driver.c

@@ -305,14 +305,17 @@ int ivtv_waitq(wait_queue_head_t *waitq)
 /* Generic utility functions */
 int ivtv_msleep_timeout(unsigned int msecs, int intr)
 {
-	int ret;
 	int timeout = msecs_to_jiffies(msecs);
 
 	do {
 		set_current_state(intr ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
 		timeout = schedule_timeout(timeout);
-		if (intr && (ret = signal_pending(current)))
-			return ret;
+		if (intr) {
+			int ret = signal_pending(current);
+
+			if (ret)
+				return ret;
+		}
 	} while (timeout);
 	return 0;
 }

drivers/media/video/ivtv/ivtv-gpio.c

@@ -190,8 +190,8 @@ static int subdev_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
 
 	mask = itv->card->gpio_audio_detect.mask;
 	if (mask == 0 || (read_reg(IVTV_REG_GPIO_IN) & mask))
-		vt->rxsubchans = V4L2_TUNER_MODE_STEREO |
-			V4L2_TUNER_MODE_LANG1 | V4L2_TUNER_MODE_LANG2;
+		vt->rxsubchans = V4L2_TUNER_SUB_STEREO |
+			V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
 	else
 		vt->rxsubchans = V4L2_TUNER_SUB_MONO;
 	return 0;

drivers/media/video/ivtv/ivtv-ioctl.c

@@ -180,7 +180,7 @@ int ivtv_set_speed(struct ivtv *itv, int speed)
 
 		/* Wait for any DMA to finish */
 		prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
-		while (itv->i_flags & IVTV_F_I_DMA) {
+		while (test_bit(IVTV_F_I_DMA, &itv->i_flags)) {
 			got_sig = signal_pending(current);
 			if (got_sig)
 				break;
@@ -1710,7 +1710,8 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg)
 			   we are waiting unlock first and later lock again. */
 			mutex_unlock(&itv->serialize_lock);
 			prepare_to_wait(&itv->event_waitq, &wait, TASK_INTERRUPTIBLE);
-			if ((itv->i_flags & (IVTV_F_I_EV_DEC_STOPPED|IVTV_F_I_EV_VSYNC)) == 0)
+			if (!test_bit(IVTV_F_I_EV_DEC_STOPPED, &itv->i_flags) &&
+			    !test_bit(IVTV_F_I_EV_VSYNC, &itv->i_flags))
 				schedule();
 			finish_wait(&itv->event_waitq, &wait);
 			mutex_lock(&itv->serialize_lock);

drivers/media/video/ivtv/ivtv-irq.c

@@ -196,7 +196,7 @@ static int stream_enc_dma_append(struct ivtv_stream *s, u32 data[CX2341X_MBOX_MA
 				bytes_needed, s->name);
 		return -1;
 	}
-	if (rc && !s->buffers_stolen && (s->s_flags & IVTV_F_S_APPL_IO)) {
+	if (rc && !s->buffers_stolen && test_bit(IVTV_F_S_APPL_IO, &s->s_flags)) {
 		IVTV_WARN("All %s stream buffers are full. Dropping data.\n", s->name);
 		IVTV_WARN("Cause: the application is not reading fast enough.\n");
 	}

drivers/media/video/ivtv/ivtv-yuv.c

@@ -1063,7 +1063,8 @@ static int ivtv_yuv_udma_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
 	prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
 	/* if no UDMA is pending and no UDMA is in progress, then the DMA
 	   is finished */
-	while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) {
+	while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) ||
+	       test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
 		/* don't interrupt if the DMA is in progress but break off
 		   a still pending DMA. */
 		got_sig = signal_pending(current);

drivers/media/video/ivtv/ivtvfb.c

@@ -298,7 +298,8 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv,
 	prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
 	/* if no UDMA is pending and no UDMA is in progress, then the DMA
 	   is finished */
-	while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) {
+	while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) ||
+	       test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {
 		/* don't interrupt if the DMA is in progress but break off
 		   a still pending DMA. */
 		got_sig = signal_pending(current);

drivers/media/video/uvc/uvc_driver.c

@@ -1726,14 +1726,17 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message)
 static int __uvc_resume(struct usb_interface *intf, int reset)
 {
 	struct uvc_device *dev = usb_get_intfdata(intf);
-	int ret;
 
 	uvc_trace(UVC_TRACE_SUSPEND, "Resuming interface %u\n",
 		intf->cur_altsetting->desc.bInterfaceNumber);
 
 	if (intf->cur_altsetting->desc.bInterfaceSubClass == SC_VIDEOCONTROL) {
-		if (reset && (ret = uvc_ctrl_resume_device(dev)) < 0)
-			return ret;
+		if (reset) {
+			int ret = uvc_ctrl_resume_device(dev);
+
+			if (ret < 0)
+				return ret;
+		}
 
 		return uvc_status_resume(dev);
 	}

drivers/media/video/uvc/uvc_video.c

@@ -742,7 +742,7 @@ static int uvc_alloc_urb_buffers(struct uvc_video_device *video,
 
 	/* Buffers are already allocated, bail out. */
 	if (video->urb_size)
-		return 0;
+		return video->urb_size / psize;
 
 	/* Compute the number of packets. Bulk endpoints might transfer UVC
 	 * payloads accross multiple URBs.

drivers/media/video/v4l2-ioctl.c

@@ -42,6 +42,12 @@
 			printk(KERN_DEBUG "%s: " fmt, vfd->name, ## arg);\
 		} while (0)
 
+/* Zero out the end of the struct pointed to by p.  Everthing after, but
+ * not including, the specified field is cleared. */
+#define CLEAR_AFTER_FIELD(p, field) \
+	memset((u8 *)(p) + offsetof(typeof(*(p)), field) + sizeof((p)->field), \
+	0, sizeof(*(p)) - offsetof(typeof(*(p)), field) - sizeof((p)->field))
+
 struct std_descr {
 	v4l2_std_id std;
 	const char *descr;
@@ -544,39 +550,39 @@ static int check_fmt(const struct v4l2_ioctl_ops *ops, enum v4l2_buf_type type)
 
 	switch (type) {
 	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		if (ops->vidioc_try_fmt_vid_cap)
+		if (ops->vidioc_g_fmt_vid_cap)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_VIDEO_OVERLAY:
-		if (ops->vidioc_try_fmt_vid_overlay)
+		if (ops->vidioc_g_fmt_vid_overlay)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-		if (ops->vidioc_try_fmt_vid_out)
+		if (ops->vidioc_g_fmt_vid_out)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
-		if (ops->vidioc_try_fmt_vid_out_overlay)
+		if (ops->vidioc_g_fmt_vid_out_overlay)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_VBI_CAPTURE:
-		if (ops->vidioc_try_fmt_vbi_cap)
+		if (ops->vidioc_g_fmt_vbi_cap)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_VBI_OUTPUT:
-		if (ops->vidioc_try_fmt_vbi_out)
+		if (ops->vidioc_g_fmt_vbi_out)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
-		if (ops->vidioc_try_fmt_sliced_vbi_cap)
+		if (ops->vidioc_g_fmt_sliced_vbi_cap)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
-		if (ops->vidioc_try_fmt_sliced_vbi_out)
+		if (ops->vidioc_g_fmt_sliced_vbi_out)
 			return 0;
 		break;
 	case V4L2_BUF_TYPE_PRIVATE:
-		if (ops->vidioc_try_fmt_type_private)
+		if (ops->vidioc_g_fmt_type_private)
 			return 0;
 		break;
 	}
@@ -782,44 +788,53 @@ static long __video_do_ioctl(struct file *file,
 
 		switch (f->type) {
 		case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+			CLEAR_AFTER_FIELD(f, fmt.pix);
 			v4l_print_pix_fmt(vfd, &f->fmt.pix);
 			if (ops->vidioc_s_fmt_vid_cap)
 				ret = ops->vidioc_s_fmt_vid_cap(file, fh, f);
 			break;
 		case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+			CLEAR_AFTER_FIELD(f, fmt.win);
 			if (ops->vidioc_s_fmt_vid_overlay)
 				ret = ops->vidioc_s_fmt_vid_overlay(file,
 								    fh, f);
 			break;
 		case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+			CLEAR_AFTER_FIELD(f, fmt.pix);
 			v4l_print_pix_fmt(vfd, &f->fmt.pix);
 			if (ops->vidioc_s_fmt_vid_out)
 				ret = ops->vidioc_s_fmt_vid_out(file, fh, f);
 			break;
 		case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+			CLEAR_AFTER_FIELD(f, fmt.win);
 			if (ops->vidioc_s_fmt_vid_out_overlay)
 				ret = ops->vidioc_s_fmt_vid_out_overlay(file,
 					fh, f);
 			break;
 		case V4L2_BUF_TYPE_VBI_CAPTURE:
+			CLEAR_AFTER_FIELD(f, fmt.vbi);
 			if (ops->vidioc_s_fmt_vbi_cap)
 				ret = ops->vidioc_s_fmt_vbi_cap(file, fh, f);
 			break;
 		case V4L2_BUF_TYPE_VBI_OUTPUT:
+			CLEAR_AFTER_FIELD(f, fmt.vbi);
 			if (ops->vidioc_s_fmt_vbi_out)
 				ret = ops->vidioc_s_fmt_vbi_out(file, fh, f);
 			break;
 		case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+			CLEAR_AFTER_FIELD(f, fmt.sliced);
 			if (ops->vidioc_s_fmt_sliced_vbi_cap)
 				ret = ops->vidioc_s_fmt_sliced_vbi_cap(file,
 									fh, f);
 			break;
 		case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+			CLEAR_AFTER_FIELD(f, fmt.sliced);
 			if (ops->vidioc_s_fmt_sliced_vbi_out)
 				ret = ops->vidioc_s_fmt_sliced_vbi_out(file,
 									fh, f);
 			break;
 		case V4L2_BUF_TYPE_PRIVATE:
+			/* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
 			if (ops->vidioc_s_fmt_type_private)
 				ret = ops->vidioc_s_fmt_type_private(file,
 								fh, f);
@@ -836,46 +851,55 @@ static long __video_do_ioctl(struct file *file,
 						v4l2_type_names));
 		switch (f->type) {
 		case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+			CLEAR_AFTER_FIELD(f, fmt.pix);
 			if (ops->vidioc_try_fmt_vid_cap)
 				ret = ops->vidioc_try_fmt_vid_cap(file, fh, f);
 			if (!ret)
 				v4l_print_pix_fmt(vfd, &f->fmt.pix);
 			break;
 		case V4L2_BUF_TYPE_VIDEO_OVERLAY:
+			CLEAR_AFTER_FIELD(f, fmt.win);
 			if (ops->vidioc_try_fmt_vid_overlay)
 				ret = ops->vidioc_try_fmt_vid_overlay(file,
 					fh, f);
 			break;
 		case V4L2_BUF_TYPE_VIDEO_OUTPUT:
+			CLEAR_AFTER_FIELD(f, fmt.pix);
 			if (ops->vidioc_try_fmt_vid_out)
 				ret = ops->vidioc_try_fmt_vid_out(file, fh, f);
 			if (!ret)
 				v4l_print_pix_fmt(vfd, &f->fmt.pix);
 			break;
 		case V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY:
+			CLEAR_AFTER_FIELD(f, fmt.win);
 			if (ops->vidioc_try_fmt_vid_out_overlay)
 				ret = ops->vidioc_try_fmt_vid_out_overlay(file,
 				       fh, f);
 			break;
 		case V4L2_BUF_TYPE_VBI_CAPTURE:
+			CLEAR_AFTER_FIELD(f, fmt.vbi);
 			if (ops->vidioc_try_fmt_vbi_cap)
 				ret = ops->vidioc_try_fmt_vbi_cap(file, fh, f);
 			break;
 		case V4L2_BUF_TYPE_VBI_OUTPUT:
+			CLEAR_AFTER_FIELD(f, fmt.vbi);
 			if (ops->vidioc_try_fmt_vbi_out)
 				ret = ops->vidioc_try_fmt_vbi_out(file, fh, f);
 			break;
 		case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+			CLEAR_AFTER_FIELD(f, fmt.sliced);
 			if (ops->vidioc_try_fmt_sliced_vbi_cap)
 				ret = ops->vidioc_try_fmt_sliced_vbi_cap(file,
 								fh, f);
 			break;
 		case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
+			CLEAR_AFTER_FIELD(f, fmt.sliced);
 			if (ops->vidioc_try_fmt_sliced_vbi_out)
 				ret = ops->vidioc_try_fmt_sliced_vbi_out(file,
 								fh, f);
 			break;
 		case V4L2_BUF_TYPE_PRIVATE:
+			/* CLEAR_AFTER_FIELD(f, fmt.raw_data); <- does nothing */
 			if (ops->vidioc_try_fmt_type_private)
 				ret = ops->vidioc_try_fmt_type_private(file,
 								fh, f);
@@ -898,6 +922,9 @@ static long __video_do_ioctl(struct file *file,
 		if (ret)
 			break;
 
+		if (p->type < V4L2_BUF_TYPE_PRIVATE)
+			CLEAR_AFTER_FIELD(p, memory);
+
 		ret = ops->vidioc_reqbufs(file, fh, p);
 		dbgarg(cmd, "count=%d, type=%s, memory=%s\n",
 				p->count,

drivers/media/video/zoran/zoran_driver.c

@@ -1863,22 +1863,20 @@ static int zoran_querycap(struct file *file, void *__fh, struct v4l2_capability
 
 static int zoran_enum_fmt(struct zoran *zr, struct v4l2_fmtdesc *fmt, int flag)
 {
-	int num = -1, i;
-
-	for (i = 0; i < NUM_FORMATS; i++) {
-		if (zoran_formats[i].flags & flag)
-			num++;
-		if (num == fmt->index)
-			break;
+	unsigned int num, i;
+
+	for (num = i = 0; i < NUM_FORMATS; i++) {
+		if (zoran_formats[i].flags & flag && num++ == fmt->index) {
+			strncpy(fmt->description, zoran_formats[i].name,
+				sizeof(fmt->description) - 1);
+			/* fmt struct pre-zeroed, so adding '\0' not neeed */
+			fmt->pixelformat = zoran_formats[i].fourcc;
+			if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
+				fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
+			return 0;
+		}
 	}
-	if (fmt->index < 0 /* late, but not too late */  || i == NUM_FORMATS)
-		return -EINVAL;
-
-	strncpy(fmt->description, zoran_formats[i].name, sizeof(fmt->description)-1);
-	fmt->pixelformat = zoran_formats[i].fourcc;
-	if (zoran_formats[i].flags & ZORAN_FORMAT_COMPRESSED)
-		fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
-	return 0;
+	return -EINVAL;
 }
 
 static int zoran_enum_fmt_vid_cap(struct file *file, void *__fh,