Jan Engelhardt wrote:
> [NETFILTER]: xt_hashlimit: add workaround for >>32 case
> 
> Hardware surprisingly does nothing when a 32-bit right-shift is
> to be done. Worse yet, compilers do not even work around it.

Thats because the C standard states that the result is undefined.
Anyways, I think this patch is slightly nicer because it
gets rid of the double negation and the %32 == 0 special-casing
for IPv6.

Do you want to add an ACKed-by?