"I've Had Enough" is a Wings

Wings (band)

Wings were a British-American rock group formed in 1971 by Paul McCartney, Denny Laine and Linda McCartney that remained active until 1981....

' single from their 1978 album London Town. The song was written and sung by Paul McCartney

Paul McCartney

Sir James Paul McCartney, MBE, Hon RAM, FRCM is an English musician, singer-songwriter and composer. Formerly of The Beatles and Wings , McCartney is listed in Guinness World Records as the "most successful musician and composer in popular music history", with 60 gold discs and sales of 100...

 and was recorded on board the boat Fair Carol in the Virgin Islands prior to the halt of recording for Linda's pregnancy (and the departure of lead guitarist Jimmy McCulloch

Jimmy McCulloch

James 'Jimmy' McCulloch was a Scottish musician and songwriter, born in Dumbarton and raised in Clydebank and Cumbernauld, Scotland, who was best known for playing lead guitar in Paul McCartney's Wings from 1974 to 1977...

 and drummer Joe English from Wings). It reached #25 on the Billboard Hot 100

Billboard Hot 100

The Billboard Hot 100 is the United States music industry standard singles popularity chart issued weekly by Billboard magazine. Chart rankings are based on radio play and sales; the tracking-week for sales begins on Monday and ends on Sunday, while the radio play tracking-week runs from Wednesday...

chart and it reached #42 in the UK.

The B-side, "Deliver Your Children", was the second (and last) Denny Laine lead vocal on a Wings single.