Sahih Muslim Book 7, Hadith Number 2820.

Chapter : Permissibility of the Tamattu’ (form of pilgrimage).

‘Abd al-Rahman b. Abi al-Sha’tha’ reported: I came to Ibrahim al-Nakha’I and Ibrahim Taimi and said: I intend to combine ‘Umra and Hajj this year, whereupon Ibrahim al-Nakha’i said: But your father did not make such intention. Ibrahim narrated on the authority of, his father that he passed by Abu Dharr (Allah be pleased with him) at Rabdha, and made a mention of that, whereupon he said: It was a special concession for us and not for you.