>> Is this really a kernel bug? This is common idiom in C, so gcc
>> shouldn't warn about it. If it does, it is a bug in gcc IMHO.
>
> No, it is not a common idiom in C. It has _never_ been valid C.
>
> GCC originally allowed it due to a mistake in the grammar; we
> now warn for it. Fix your source.
Since neither -ansi nor -std=foo was specified, gcc should just
shut up and be happy. Consider this as another GNU extension.
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