diff options
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/pci/mlx5/main.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/vfio/pci/mlx5/main.c b/drivers/vfio/pci/mlx5/main.c index cd90eb86128c..94f7a0fd10e8 100644 --- a/drivers/vfio/pci/mlx5/main.c +++ b/drivers/vfio/pci/mlx5/main.c @@ -404,7 +404,10 @@ static long mlx5vf_precopy_ioctl(struct file *filp, unsigned int cmd, done: mlx5vf_state_mutex_unlock(mvdev); - return copy_to_user((void __user *)arg, &info, minsz); + if (copy_to_user((void __user *)arg, &info, minsz)) + return -EFAULT; + return 0; + err_migf_unlock: mutex_unlock(&migf->lock); err_state_unlock: |