PendlePowerFarmToken.sol
    function depositExactAmount(
//[...]
        uint256 reducedShares = _applyMintFee(
            shares
        );

        uint256 feeShares = shares
            - reducedShares;

        if (feeShares == 0) {
            revert ZeroFee();
        }

        if (reducedShares == feeShares) { // @audit it doesn't concern case when feeShares > reducedShares
            revert TooMuchFee();
        }
