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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-video.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-video.c20
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 1184d359e848..39c41ad97d0e 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)
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