How do I fix this DIY fail?

[SoundsGood]

My son has just managed to pull a curtain rail off the wall leaving great big holes where the hooks screwed in to.

Would you seasoned DIYers refill the holes with polyfill and screw into that once it's dry, or is there a better way?

 

[SoundsGood]

I think it's a layer of plaster board with brick behind

 

[SoundsGood]

thanks guys