On Mon, 5 May 2014 22:39:09 -0500
Garg Vakul-B16394 <va...@freescale.com> wrote:

> Hi Kim

Hi Vakul,

> > From: Kim Phillips [mailto:kim.phill...@freescale.com]
> > Sent: Tuesday, May 06, 2014 12:07 AM
> > 
> > On Sat, 3 May 2014 06:44:39 -0500
> > Garg Vakul-B16394 <va...@freescale.com> wrote:
> > 
> > > > From: Kim Phillips [mailto:kim.phill...@freescale.com]
> > > > Sent: Saturday, May 03, 2014 5:40 AM
> > > >
> > > > On Sun, 27 Apr 2014 11:26:14 -0400
> > > > Vakul Garg <va...@freescale.com> wrote:
> > > >
> > > > > @@ -220,6 +220,8 @@ static int aead_null_set_sh_desc(struct
> > > > > crypto_aead
> > > > *aead)
> > > > >       if (DESC_AEAD_NULL_ENC_LEN + DESC_JOB_IO_LEN +
> > > > >           ctx->split_key_pad_len <= CAAM_DESC_BYTES_MAX)
> > > > >               keys_fit_inline = true;
> > > > > +     else
> > > > > +             keys_fit_inline = false;
> > > >
> > > > Can we do the easier to read:
> > > >
> > > >         keys_fit_inline = false;
> > > >         if (DESC_AEAD_NULL_ENC_LEN + DESC_JOB_IO_LEN +
> > > >             ctx->split_key_pad_len <= CAAM_DESC_BYTES_MAX)
> > > >                 keys_fit_inline = true;
> > > >
> > > > ?
> > >
> > > Why pre-init a variable with default value when it could be
> > overwritten?
> > 
> > why not?  compiler output doesn't differ in this regard.
> 
> Agree that compiler output doesn't differ.
> But why depend upon compiler's optimization capability while writing code 
> when we can be explicit?

?  with optimizations turned off, the explicit 'else' *adds* an
extra CoF..

> > > I think that the form I submitted is equally easy to read.
> > 
> > adding one line instead of two -> less lines overall -> more code on one
> > screen -> easier to read.
> 
> I think that this is a matter of personal coding choice.
> Both the approaches are fine and compliant to kernel coding guidelines.

I disagree, for the reasons already mentioned above.

Kim
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