RE: [PATCH] staging: rtl8188eu: Replace a custom function with crc32_le()

From: David Laight
Date: Thu Jul 01 2021 - 11:54:57 EST


From: Fabio M. De Francesco
> Sent: 01 July 2021 16:24
>
> On Thursday, July 1, 2021 4:52:08 PM CEST David Laight wrote:
> > From: Fabio M. De Francesco
> >
> > > Sent: 01 July 2021 14:38
> > >
> > > Use crc32_le in place of the custom getcrc32. This change makes GCC
> > > to warn about incorrect castings to the restricted type __le32, but
> > > they can be safely ignored because crc32_le calculates bitwise
> > > little-endian Ethernet AUTODIN II CRC32.
> >
> > ...
> >
> > > - *((__le32 *)crc) =
> getcrc32(payload, length);/* modified by Amy*/
> > > + *((__le32 *)crc) =
> ~crc32_le(~0, payload, length);
> >
> > Haven't we been round this before?
> >
> No, I don't think so. At least, not you and I.
>

That was rt1872 this is rtl8188 but I think it is the same crap.

David

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