Milan suffered a 2-1 defeat to Fiorentina on Monday that increased the pressure on the under-fire Inzaghi.
Donadoni, who won six Serie A titles and three European Cups in two stints with Milan as a player, led Parma to sixth in the league last season but looks powerless to prevent the cash-strapped club from succumbing to relegation this term.
And he told Gazzetta TV: "If Milan calls me, I don't think it's going to be hard to answer.
"The last few games could have changed things for Milan, but unfortunately they did not go well."
‘Sir Gary Lineker? I don’t know how you comment on that – I’ve never even considered it. I just try to stand up for the things I believe in’ England legend tells FFT why he won’t stop raising humanitarian issues, even if it affects potential honours
'I fell on the floor and shouted for a penalty. Someone pulled me up and said, "Don’t cheat to win penalties". It was Steve McManaman. I never did it again!' Ex-Liverpool forward reveals harsh lesson he learnt from his team-mate on Reds debut
