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SubjectRe: [ 17/68] regset: Return -EFAULT, not -EIO, on host-side memory fault
On Fri, Mar 09, 2012 at 02:34:46PM -0600, Jonathan Nieder wrote:
> Greg KH wrote:
>
> > 3.0-stable review patch. If anyone has any objections, please let me know.
> >
> > ------------------
> >
> > From: "H. Peter Anvin" <hpa@zytor.com>
> >
> > commit 5189fa19a4b2b4c3bec37c3a019d446148827717 upstream.
> >
> > There is only one error code to return for a bad user-space buffer
> > pointer passed to a system call in the same address space as the
> > system call is executed, and that is EFAULT.
>
> I don't think this has the potential to cause regressions, and it
> certainly makes things saner, so from that point of view it looks
> good.

"making things sane" is good enough for me :)

> Part of the reason I am asking is to figure out whether the patch
> ought to be applied to 2.6.32.y, too.

Why do you think it should not be?

thanks,

greg k-h


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