It is narrated from Sayyiduna Sinan bin Salamah (may Allah be pleased with him) that a man came to the Prophet (peace and blessings be upon him) and said: "O Messenger of Allah, I gave charity to my mother, and she has died. What should I do now?" He (peace and blessings be upon him) said: "Allah has returned your land to you, and He has accepted your charity."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6464