There is no need to call rwb->rhreloade() when nblocks is 0, and some platform(eg: BES) has the limit that the parameter of len in pltatform flash read function cant't be 0.
There is no need to call rwb->rhreloade() when nblocks is 0, and some platform(eg: BES) has the limit that the parameter of len in pltatform flash read function cant't be 0.