Musnad Ahmad 33:367

'Abd al-Samad narrated to us, Muhammad ibn Thabit narrated to us, Muhammad ibn al-Munkadir narrated to us, from Jabir, who said: The Messenger of Allah, peace and blessings of Allah be upon him, said: "The accepted Hajj has no reward other than Paradise." They said: "O Prophet of Allah, what is the righteousness of the accepted Hajj?" He said: "Feeding food and spreading peace."