Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (255 commits)
  [media] radio-aimslab.c: Fix gcc 4.5+ bug
  [media] cx25821: Fix compilation breakage due to BKL dependency
  [media] v4l2-compat-ioctl32: fix compile warning
  [media] zoran: fix compiler warning
  [media] tda18218: fix compile warning
  [media] ngene: fix compile warning
  [media] DVB: IR support for TechnoTrend CT-3650
  [media] cx23885, cimax2.c: Fix case of two CAM insertion irq
  [media] ir-nec-decoder: fix repeat key issue
  [media] staging: se401 depends on USB
  [media] staging: usbvideo/vicam depends on USB
  [media] soc_camera: Add the ability to bind regulators to soc_camedra devices
  [media] V4L2: Add a v4l2-subdev (soc-camera) driver for OmniVision OV2640 sensor
  [media] v4l: soc-camera: switch to .unlocked_ioctl
  [media] v4l: ov772x: simplify pointer dereference
  [media] ov9640: fix OmniVision OV9640 sensor driver's priv data retrieving
  [media] ov9640: use macro to request OmniVision OV9640 sensor private data
  [media] ivtv-i2c: Fix two warnings
  [media] staging/lirc: Update lirc TODO files
  [media] cx88: Remove the obsolete i2c_adapter.id field
  ...

1 files changed, 9 insertions, 12 deletions

diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
index 3b19f5b25a72..c179041d91f8 100644
--- a/drivers/media/video/mem2mem_testdev.c
+++ b/drivers/media/video/mem2mem_testdev.c
@@ -524,7 +524,6 @@ static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
 {
 	struct m2mtest_q_data *q_data;
 	struct videobuf_queue *vq;
-	int ret = 0;
 
 	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 	if (!vq)
@@ -534,12 +533,9 @@ static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
 	if (!q_data)
 		return -EINVAL;
 
-	mutex_lock(&vq->vb_lock);
-
 	if (videobuf_queue_is_busy(vq)) {
 		v4l2_err(&ctx->dev->v4l2_dev, "%s queue busy\n", __func__);
-		ret = -EBUSY;
-		goto out;
+		return -EBUSY;
 	}
 
 	q_data->fmt		= find_format(f);
@@ -553,9 +549,7 @@ static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f)
 		"Setting format for type %d, wxh: %dx%d, fmt: %d\n",
 		f->type, q_data->width, q_data->height, q_data->fmt->fourcc);
 
-out:
-	mutex_unlock(&vq->vb_lock);
-	return ret;
+	return 0;
 }
 
 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
@@ -845,10 +839,12 @@ static void queue_init(void *priv, struct videobuf_queue *vq,
 		       enum v4l2_buf_type type)
 {
 	struct m2mtest_ctx *ctx = priv;
+	struct m2mtest_dev *dev = ctx->dev;
 
-	videobuf_queue_vmalloc_init(vq, &m2mtest_qops, ctx->dev->v4l2_dev.dev,
-				    &ctx->dev->irqlock, type, V4L2_FIELD_NONE,
-				    sizeof(struct m2mtest_buffer), priv, NULL);
+	videobuf_queue_vmalloc_init(vq, &m2mtest_qops, dev->v4l2_dev.dev,
+				    &dev->irqlock, type, V4L2_FIELD_NONE,
+				    sizeof(struct m2mtest_buffer), priv,
+				    &dev->dev_mutex);
 }
 
 
@@ -920,7 +916,7 @@ static const struct v4l2_file_operations m2mtest_fops = {
 	.open		= m2mtest_open,
 	.release	= m2mtest_release,
 	.poll		= m2mtest_poll,
-	.ioctl		= video_ioctl2,
+	.unlocked_ioctl	= video_ioctl2,
 	.mmap		= m2mtest_mmap,
 };
 
@@ -965,6 +961,7 @@ static int m2mtest_probe(struct platform_device *pdev)
 	}
 
 	*vfd = m2mtest_videodev;
+	vfd->lock = &dev->dev_mutex;
 
 	ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
 	if (ret) {