Narrated Abu Huraira: Allah's Apostle, while going out for the battle of Hunain, said, "Tomorrow Allah willing, we will encamp at Khaif Bani Kinana where the pagans(of Quraish) took the oath of Kufr (against the Prophet i.e. to be loyal to heathenism, by boycotting Banu Hashim, the Prophet's folk, See Hadith No. 659 Vol. 2) .
Hadith Referenceصحيح البخاري / كتاب مناقب الأنصار / 3882
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة