Mishkat al-Masabih #3661

Fadala b. ‘Ubaid reported God’s Messenger as saying, “Everyone who dies will have fully completed his actions, except one who is on the frontier in God’s path, for his deeds will be made to go on increasing for him till the day of resurrection, and he will be safe from the trial in the grave." Tirmidhi and Abu Dawud transmitted it, and Darimi transmitted it on the authority of ‘Uqba b. ‘Amir.