Justin C. Miller da5c1e9833 [kernel] Add new zero_ok flag to syscall params ...

The new zero_ok flag is similar to optional for reference parameters,
but only in cases where there is a length parameter. If that parameter
is a reference parameter itself and is null, or it is non-null and
contains a non-zero length, or there is no length parameter, then the
main parameter may not be null.

2022-01-30 14:26:36 -08:00

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