What is the highest number of torpedoes that hit a warship that still made it home?

[pinsog]

What is the most torpedoes that ever hit a warship, or any other ship for that matter, that still made it home to be repaired?

 

[davebender]

April 1940 Germany discovered their magnetic torpedo detonators would not function properly north of the Arctic Circle. Several Allied ships got torpedoed without warhead detonation during that month.

 

[pinsog]

April 1940 Germany discovered their magnetic torpedo detonators would not function properly north of the Arctic Circle. Several Allied ships got torpedoed without warhead detonation during that month.

I should have added more detail. I meant torpedoes that exploded.

What is the most torpedoes that ever hit a warship, and exploded, and the ship still made it home?