This hadith has been narrated on the authority of A'isha through another chain of transmitters.
Sahih Muslim Book 12, Hadith 225
← Previous Hadith Three are the decions (of the Shari'ah that we have come to know) through Barira. The people gave her sadaqa and she offered us as gift. We made a mention of it to the Messenger of Allah (ﷺ), whereupon he said: It is a sadaqa for her and a gift for you; so eat it.

Sahih Muslim Book 12, Hadith 224 Next Hadith → " That is a gift for us out of it."

Sahih Muslim Book 12, Hadith 226