Yossi Benayoun has signed a short-term contract with QPR following a successful trial at the club.
Bayern Munich boss Pep Guardiola has warned Manchester City off making a move for goalkeeper Manuel Neuer.
Hulse is well down the pecking order at Loftus Road and has not featured for them this season after being left out of their 25-man Premier League squad.
Hulse scored three goals in 15 appearances for Charlton in a three-month loan spell at Charlton earlier this season.
Millwall have been in the market for forwards after seeing Darius Henderson leave for Nottingham Forest and Chris Wood head to Leicester.