[media] V4L2: drivers implementing vidioc_default should also return -ENOTTY

If the vidioc_default implementation doesn't support the ioctl, then drivers
must return -ENOTTY instead of -EINVAL.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx18/cx18-ioctl.c

@@ -1137,7 +1137,7 @@ static long cx18_default(struct file *file, void *fh, bool valid_prio,
 	}
 
 	default:
-		return -EINVAL;
+		return -ENOTTY;
 	}
 	return 0;
 }

drivers/media/video/davinci/vpfe_capture.c

@@ -1761,7 +1761,7 @@ static long vpfe_param_handler(struct file *file, void *priv,
 		}
 		break;
 	default:
-		ret = -EINVAL;
+		ret = -ENOTTY;
 	}
 unlock_out:
 	mutex_unlock(&vpfe_dev->lock);

drivers/media/video/ivtv/ivtv-ioctl.c

@@ -1827,7 +1827,7 @@ static long ivtv_default(struct file *file, void *fh, bool valid_prio,
 		return ivtv_decoder_ioctls(file, cmd, (void *)arg);
 
 	default:
-		return -EINVAL;
+		return -ENOTTY;
 	}
 	return 0;
 }

drivers/media/video/meye.c

@@ -1570,7 +1570,7 @@ static long vidioc_default(struct file *file, void *fh, bool valid_prio,
 		return meyeioc_stilljcapt((int *) arg);
 
 	default:
-		return -EINVAL;
+		return -ENOTTY;
 	}
 
 }

drivers/media/video/mxb.c

@@ -688,7 +688,7 @@ static long vidioc_default(struct file *file, void *fh, bool valid_prio,
 /*
 		DEB2(pr_err("does not handle this ioctl\n"));
 */
-		return -ENOIOCTLCMD;
+		return -ENOTTY;
 	}
 	return 0;
 }