[Patches] lio_listio() doesn't validate the aio_lio_opcode?

[Kang Kai <Kai.Kang@xxxxxxxxxxxxx>]

Hi All,

If pass a invalid aio_lio_opcode to lio_listio() with mode LIO_NOWAIT, 
it return 0 which means success. Is this the proper action for invalid 
aio_lio_opcode?

I check the source code ./sysdeps/pthread/lio_listio.c Line 81:

if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)

it just checks aio_lio_opcode is not LIO_NOP then enqueue the request? I 
wonder this is buggy.

Anyone can help about this? Thanks.

Regards,
Kai
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