Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (59 commits)
  V4L/DVB (7219): zoran: Fix namespace conflicts with Zoran 'GPIO_MAX' enum
  V4L/DVB (7205): tuner-xc2028 depends on FW_LOADER
  V4L/DVB (7201): cx88-mpeg: Fix race condition in variable access
  V4L/DVB (7200): Fix FM firmware loading
  V4L/DVB (7198): V4L, include ioctl.h in videodev headers
  V4L/DVB (7197): bttv: Fix overlay divide error
  V4L/DVB (7195): xc5000: fix build error when built as module
  V4L/DVB (7194): cx88-mpeg: Allow concurrent access to cx88-mpeg devices
  V4L/DVB (7193): tveeprom: Add proper tuner mapping for hauppauge eeprom id 133
  V4L/DVB (7192): Adds support for Genius TVGo A11MCE
  V4L/DVB (7189): autosuspend support
  V4L/DVB (7188): radio-si470x version 1.0.6
  V4L/DVB (7186): tda10086: make the 22kHz tone for DISEQC a config option
  V4L/DVB (7183): radio-si470x: fix build warning
  V4L/DVB (7180): em28xx: add URB_NO_TRANSFER_DMA_MAP, since urb->transfer_dma is set
  V4L/DVB (7179): Allow more than one em28xx board
  V4L/DVB (7164): em28xx-alsa: Add a missing mutex
  V4L/DVB (7163): em28xx: makes audio settings more stable
  V4L/DVB (7162): em28xx: Fix endian and returns the correct values
  V4L/DVB (7161): em28xx: Fix printing debug values higher than 127
  ...

1 files changed, 10 insertions, 10 deletions

diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index 1184d359e84..39c41ad97d0 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -1414,21 +1414,17 @@ video_poll(struct file *file, struct poll_table_struct *wait)
 		if (!list_empty(&fh->cap.stream))
 			buf = list_entry(fh->cap.stream.next, struct videobuf_buffer, stream);
 	} else {
-		mutex_lock(&fh->cap.lock);
+		mutex_lock(&fh->cap.vb_lock);
 		if (UNSET == fh->cap.read_off) {
 			/* need to capture a new frame */
-			if (res_locked(fh->dev,RESOURCE_VIDEO)) {
-				mutex_unlock(&fh->cap.lock);
-				return POLLERR;
-			}
-			if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field)) {
-				mutex_unlock(&fh->cap.lock);
-				return POLLERR;
-			}
+			if (res_locked(fh->dev,RESOURCE_VIDEO))
+				goto err;
+			if (0 != fh->cap.ops->buf_prepare(&fh->cap,fh->cap.read_buf,fh->cap.field))
+				goto err;
 			fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
 			fh->cap.read_off = 0;
 		}
-		mutex_unlock(&fh->cap.lock);
+		mutex_unlock(&fh->cap.vb_lock);
 		buf = fh->cap.read_buf;
 	}
 
@@ -1440,6 +1436,10 @@ video_poll(struct file *file, struct poll_table_struct *wait)
 	    buf->state == VIDEOBUF_ERROR)
 		return POLLIN|POLLRDNORM;
 	return 0;
+
+err:
+	mutex_unlock(&fh->cap.vb_lock);
+	return POLLERR;
 }
 
 static int video_release(struct inode *inode, struct file *file)