Re: [PATCH v4 01/17] x86/mpx: Do not use SIB index if index points to R/ESP

From: Ricardo Neri
Date: Thu Feb 23 2017 - 17:17:24 EST


On Thu, 2017-02-23 at 08:24 +0100, Peter Zijlstra wrote:
> On Wed, Feb 22, 2017 at 10:36:50PM -0800, Ricardo Neri wrote:
> > + /*
> > + * A negative offset generally means a error, except
> > + * -EDOM, which means that the contents of the register
> > + * should not be used as index.
> > + */
> > if (indx_offset < 0)
> > - goto out_err;
> > + if (indx_offset == -EDOM)
> > + indx = 0;
> > + else
> > + goto out_err;
> > + else
> > + indx = regs_get_register(regs, indx_offset);
>
> Kernel coding style requires more brackets than are strictly required by
> C, any block longer than 1 line needs then. Also, if one leg of a
> conditional needs them, then they should be on both legs.
>
> Your code has many such instances, please change them all.

Will do. Sorry for the noise. These instances escaped the checkpatch
script.

Thanks and BR,
Ricardo