Garudapurana 3.24.25

3.24.25

japtvā jñānaṃ prāpya durvāsakaścāpyavāpa mokṣaṃ tena saṃvardhitātmā /
mucukundo vai śrīnivāsasya bhakto vairāgyato bhaktidārḍhyaṃ ca kṛtvā //

having repeated his name and attained knowledge, his soul was enriched by it, and Durvāsas also attained liberation. / Mucukunda, indeed, was a devotee of Śrīnivāsa: having made firm his devotion through dispassion,