Re: [PATCH AUTOSEL 5.4 06/27] staging: rtl8712: Fix return type for implementation of ndo_start_xmit

[Sasha Levin]

On Thu, Oct 13, 2022 at 07:55:36AM +0200, Greg Kroah-Hartman wrote:
> On Wed, Oct 12, 2022 at 08:24:38PM -0400, Sasha Levin wrote:
> > From: GUO Zihua <guozihua@xxxxxxxxxx>
> >
> > [ Upstream commit 307d343620e1fc7a6a2b7a1cdadb705532c9b6a5 ]
> >
> > CFI (Control Flow Integrity) is a safety feature allowing the system to
> > detect and react should a potential control flow hijacking occurs. In
> > particular, the Forward-Edge CFI protects indirect function calls by
> > ensuring the prototype of function that is actually called matches the
> > definition of the function hook.
> >
> > Since Linux now supports CFI, it will be a good idea to fix mismatched
> > return type for implementation of hooks. Otherwise this would get
> > cought out by CFI and cause a panic.
>
> And another that should be dropped from all stable branches, thanks.

Ack, I'll drop this and the rest of the staging patches you've pointed
out.

--
Thanks,
Sasha