Re: [PATCH] crypto: caam - Fix key inlining in AEAD shared descriptors

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On Sat, 3 May 2014 06:44:39 -0500
Garg Vakul-B16394 <vakul@xxxxxxxxxxxxx> wrote:

> > From: Kim Phillips [mailto:kim.phillips@xxxxxxxxxxxxx]
> > Sent: Saturday, May 03, 2014 5:40 AM
> > 
> > On Sun, 27 Apr 2014 11:26:14 -0400
> > Vakul Garg <vakul@xxxxxxxxxxxxx> 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.

> 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.

Kim
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