On Tue, Jan 08, 2019 at 11:42:01AM +0000, fdmanana@xxxxxxxxxx wrote: > From: Filipe Manana <fdmanana@xxxxxxxx> > > If the call to btrfs_balance() failed we would overwrite the error > returned to user space with -EFAULT if the call to copy_to_user() failed > as well. Fix that by calling copy_to_user() only if btrfs_balance() > returned success or was canceled. > > Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxxx>
