diff options
| -rw-r--r-- | drivers/media/media-device.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index b3e19c22e699..30e3354d7481 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -376,18 +376,17 @@ static long media_device_get_topology(struct media_device *mdev, struct media_v2_topology ktopo; int ret; - ret = copy_from_user(&ktopo, utopo, sizeof(ktopo)); - - if (ret < 0) - return ret; + if (copy_from_user(&ktopo, utopo, sizeof(ktopo))) + return -EFAULT; ret = __media_device_get_topology(mdev, &ktopo); if (ret < 0) return ret; - ret = copy_to_user(utopo, &ktopo, sizeof(*utopo)); + if (copy_to_user(utopo, &ktopo, sizeof(*utopo))) + return -EFAULT; - return ret; + return 0; } static long media_device_ioctl(struct file *filp, unsigned int cmd, |