Sahih Bukhari Volume 9, Book 87, Hadith Number 152.

Narrated By Abu Huraira : We were sitting with Allah’s Apostle he said, “While I was sleeping, I saw myself in Paradise, and behold, a woman was performing ablution by the side of a palace. I asked, ‘For whom is this palace?’ They replied, ‘For ‘Umar’ Then I remembered the Ghira of ‘Umar and returned immediately.” ‘Umar wept (on hearing that) and said, “Let my father and mother be sacrificed for you, O Allah’s Apostle! How dare I think of my Ghira being offended by you.”