Signed-off-by: Frank Schäfer <fschaefer.oss@xxxxxxxxxxxxxx> --- drivers/media/usb/em28xx/em28xx-video.c | 8 ++++++++ 1 Datei geändert, 8 Zeilen hinzugefügt(+) diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 2eabf2a..4a7f73c 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -1204,6 +1204,8 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct em28xx *dev = fh->dev; int rc; + if (dev->tuner_type == TUNER_ABSENT) + return -ENOTTY; rc = check_dev(dev); if (rc < 0) return rc; @@ -1224,6 +1226,8 @@ static int vidioc_s_tuner(struct file *file, void *priv, struct em28xx *dev = fh->dev; int rc; + if (dev->tuner_type == TUNER_ABSENT) + return -ENOTTY; rc = check_dev(dev); if (rc < 0) return rc; @@ -1241,6 +1245,8 @@ static int vidioc_g_frequency(struct file *file, void *priv, struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; + if (dev->tuner_type == TUNER_ABSENT) + return -ENOTTY; if (0 != f->tuner) return -EINVAL; @@ -1255,6 +1261,8 @@ static int vidioc_s_frequency(struct file *file, void *priv, struct em28xx *dev = fh->dev; int rc; + if (dev->tuner_type == TUNER_ABSENT) + return -ENOTTY; rc = check_dev(dev); if (rc < 0) return rc; -- 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
