diff options
Diffstat (limited to 'drivers/media/pci/saa7134')
-rw-r--r-- | drivers/media/pci/saa7134/saa7134-video.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c index 9a6a6b68f8e3..0f9d6b9edb90 100644 --- a/drivers/media/pci/saa7134/saa7134-video.c +++ b/drivers/media/pci/saa7134/saa7134-video.c @@ -868,8 +868,11 @@ static int buffer_activate(struct saa7134_dev *dev, lines_uv = dev->height >> dev->fmt->vshift; base2 = base + bpl * dev->height; base3 = base2 + bpl_uv * lines_uv; - if (dev->fmt->uvswap) - tmp = base2, base2 = base3, base3 = tmp; + if (dev->fmt->uvswap) { + tmp = base2; + base2 = base3; + base3 = tmp; + } video_dbg("uv: bpl=%ld lines=%ld base2/3=%ld/%ld\n", bpl_uv,lines_uv,base2,base3); if (V4L2_FIELD_HAS_BOTH(dev->field)) { @@ -1265,9 +1268,7 @@ static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, struct v4l2_format *f) { struct saa7134_dev *dev = video_drvdata(file); - struct v4l2_clip __user *clips = f->fmt.win.clips; u32 clipcount = f->fmt.win.clipcount; - int err = 0; int i; if (saa7134_no_overlay > 0) { @@ -1275,20 +1276,20 @@ static int saa7134_g_fmt_vid_overlay(struct file *file, void *priv, return -EINVAL; } f->fmt.win = dev->win; - f->fmt.win.clips = clips; - if (clips == NULL) - clipcount = 0; + if (!f->fmt.win.clips) { + f->fmt.win.clipcount = 0; + return 0; + } if (dev->nclips < clipcount) clipcount = dev->nclips; f->fmt.win.clipcount = clipcount; - for (i = 0; !err && i < clipcount; i++) { - if (copy_to_user(&f->fmt.win.clips[i].c, &dev->clips[i].c, - sizeof(struct v4l2_rect))) - err = -EFAULT; + for (i = 0; i < clipcount; i++) { + memcpy(&f->fmt.win.clips[i].c, &dev->clips[i].c, + sizeof(struct v4l2_rect)); } - return err; + return 0; } static int saa7134_try_fmt_vid_cap(struct file *file, void *priv, @@ -1396,9 +1397,8 @@ static int saa7134_s_fmt_vid_overlay(struct file *file, void *priv, dev->win = f->fmt.win; dev->nclips = f->fmt.win.clipcount; - if (copy_from_user(dev->clips, f->fmt.win.clips, - sizeof(struct v4l2_clip) * dev->nclips)) - return -EFAULT; + memcpy(dev->clips, f->fmt.win.clips, + sizeof(struct v4l2_clip) * dev->nclips); if (priv == dev->overlay_owner) { spin_lock_irqsave(&dev->slock, flags); |