Removing NULL checks

I don't think that disabling this option for a kernel compile is reasonable. It is not reasonable to have to check every new optimization for every new version of a compiler, assuming the optimizations themselves are valid.

What is reasonable on the other hand is to know C and to write valid C code, which doesn't break when a butterfly flaps its wings. I still can't understand why everybody is making such a big deal over such a trivial bug. It is similar to relying on the value of "(a++) + (a++)" - basic C stuff that hopefully everybody knows by now.

If this was an user app nobody would think twice about it. So, what, the kernel is an excuse for sloppy coding?? I would hope that the opposite was true...