Re: [PATCH] x86/sgx: Initialize "ret" in sgx_ioc_enclave_add_pages()

[Borislav Petkov]

On Wed, Dec 02, 2020 at 06:22:00PM +0200, Jarkko Sakkinen wrote:
> Initialize "ret" to zero as otherwise a zero length address range will
> leave it uninitialized.

That length is:

 * @length:     length of the data (multiple of the page size)

I think we wanna fail this even earlier when it wants to add data of
length 0 because that sounds nonsensical to me. Or is there some use
case for zero-length data?

Btw, pls CC lkml on patch submissions.

Thx.

-- 
Regards/Gruss,
    Boris.

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