From him, from Ibn Abi Umayr, from Abu Ayyub, from Muhammad ibn Muslim, who said:
I said to Abu Abdullah عليه السلام: "A man doubts his ablution after he has finished the prayer?" Imam عليه السلام said: "He continues with his prayer and does not repeat it."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 1, p. 106