On 7/28/17 9:04 AM, Jamal Hadi Salim wrote: > > Kernel side checking for device ifindex must know what a device > ifindex means. > That doesnt disqualify that the generic code checks that it > is of the same size as a signed 32b, etc. That is generic > stuff that can be factored out. > > In this case: > Checking for whether bits selected are in the allowed range > that the kernel understands, that the bit value are set in > the right bit position, that the bits set in the correct bit > value position are also selected in the transaction. > That is generic code (which the content validation does).
Create a helper function then. It's the validation of attribute content in 2 places that I object to. 1 attribute is validated in 1 place (generic infra for this bitfield attribute), the others are validated in line. Asymmetric validations is not a good design.