Hanafi
The sources give no view for it here.
اشتراط الضمان في الوديعة
هل يضمن المودَع الوديعة إذا شرط عليه المودِع الضمان؟
Each school’s answer
In our wordsHanafi
Not stated in the sources
Maliki
Not stated in the sources
Shafi'i
Not stated in the sources
Hanbali
Not stated in the sources
The texts
مسألة: إذا أودعه وشرط الضمان لم يضمن، خلافا للعنبري؛ لأن جعل ما أصله أمانة لا يصير مضمونا بالشرط كالشركة والوكالات.
«الإشراف», al-Qadi Abd al-Wahhab p. 626
From the schools’ own books
Maliki
The sources give no view for it here.
Shafi'i
The sources give no view for it here.
Hanbali
The sources give no view for it here.
What is «in our words» is our standard wording; the books’ texts stay as they are.