Musannaf Ibn Abi Shaybah

Hazrat Aisha (may Allah be pleased with her) narrates that the owners of Barirah intended to sell her and set the condition of wala’ (inheritance after the death of a freed slave). So I mentioned this matter to the Noble Prophet (peace and blessings be upon him). He (peace and blessings be upon him) said: Buy her and set her free, for wala’ belongs only to the one who sets free.

It is narrated from Hazrat Ibn Abbas (may Allah be pleased with them) that the masters of (Barirah) set the condition of wala (right of inheritance), so the decision was that wala belongs to the one who sets free.

Hazrat Ibn Umar (may Allah be pleased with them) narrates that Hazrat Aisha (may Allah be pleased with her) intended to purchase Barirah, so the owners said: "Will you buy her on the condition that her wala' (right of inheritance/loyalty) will be for us?" Hazrat Aisha (may Allah be pleased with her) mentioned this to the Noble Prophet (peace and blessings be upon him). The Noble Prophet (peace and blessings be upon him) said: "This condition should not prevent you from purchasing Barirah, because wala' belongs only to the one who sets free." And (Imam) Abu Hanifa's opinion has been mentioned that: this condition is invalid and not permissible.