[Toybox] toybox: modprobe patch

[enh]

Did you see my alternative patch, either on the internal bug or this
mailing list?

I don't think we actually want to return errno...

On Thu, Aug 2, 2018, 14:01 xiewen <xiewen202 at 163.com> wrote:

> hi Guys:
>
>      I find a bug in modprobe.c:
>      In the following case, modprobe will fail:
>      First ins_mod a.ko, then ins_mod b.ko, b.ko depends on a.ko,b.ko will
> insmod failed.
>      Because syscall will return to EPERM, but finit_module and
> init_module actually return EEXIST,
>      and EEXIST is stored in errno.
>
>     Finally, I found that rm_mod uses errno as the return value, so I
> think ins_mod should also use errno as the return value.
>
> --
>
> ------------------------------------
>
> thanks with best regards!
>
> email：wen.xie at archermind.com;xiewen202 at 163.com
>
> phone：15850502564
>
>
>
>
>
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