Signed-off-by: Frank Schäfer <fschaefer.oss@xxxxxxxxxxxxxx> --- drivers/media/usb/em28xx/em28xx-video.c | 6 ++++++ 1 Datei geändert, 6 Zeilen hinzugefügt(+) diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 4a7f73c..c43e4c5 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -1507,6 +1507,9 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; + if (!em28xx_vbi_supported(dev)) + return -ENOTTY; + format->fmt.vbi.samples_per_line = dev->vbi_width; format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; format->fmt.vbi.offset = 0; @@ -1536,6 +1539,9 @@ static int vidioc_s_fmt_vbi_cap(struct file *file, void *priv, struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; + if (!em28xx_vbi_supported(dev)) + return -ENOTTY; + format->fmt.vbi.samples_per_line = dev->vbi_width; format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; format->fmt.vbi.offset = 0; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
