Is the prayer of one afflicted with سلس (urinary incontinence) valid if he woke up late for Fajr prayer and prayed a minute before sunrise?

The time for Fajr prayer ends at sunrise. If a person afflicted with سلس (urinary incontinence or similar continuous discharge) performs ablution before sunrise but is unable to pray until after sunrise, their prayer is valid with that same ablution, according to the Maliki school and those who agree with them. This is also one of the opinions within the Shafi'i school. It is permissible for a person with an excuse to adopt this opinion for ease. However, a Muslim should take the necessary precautions to perform the prayer at its prescribed time to avoid the sin of neglecting it.