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Re: [PATCH] staging: nvec: fixed few coding style warnings

From Marc Dietrich <marvin24@gmx.de>
Newsgroups linux.kernel
Subject Re: [PATCH] staging: nvec: fixed few coding style warnings
Date 2015-10-15 10:50 +0200
Message-ID <qjMox-1d8-7@gated-at.bofh.it> (permalink)
References <qjuUG-KS-29@gated-at.bofh.it> <qjyOD-6ut-17@gated-at.bofh.it>
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Am Mittwoch, 14. Oktober 2015, 21:12:36 schrieb Dan Carpenter:
> On Wed, Oct 14, 2015 at 07:38:22PM +0530, Sakshi Bansal wrote:
> > Fixed allignmnet issues and block comments usage
> 
> Split it apart by type of fix.
> 
> > @@ -617,7 +618,7 @@ static irqreturn_t nvec_interrupt(int irq, void *dev)
> > 
> >  		} else {
> >  		
> >  			nvec->rx = nvec_msg_alloc(nvec, NVEC_MSG_RX);
> >  			/* Should not happen in a normal world */
> > 
> > -			if (unlikely(nvec->rx == NULL)) {
> > +			if (!unlikely(nvec->rx)) {
> 
> This isn't right.  You intented to say:
> 
> 	if (unlikely(!nvec->rx)) {
> 
> But even better to just remove the unlikely entirely.
> 
> 	if (!nvec->rx) {

why? the "unlikely" is there to optimize a critical interrupt path.


Marc

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[PATCH] staging: nvec: fixed few coding style warnings Sakshi Bansal <sakshi.april5@gmail.com> - 2015-10-14 16:10 +0200
  Re: [PATCH] staging: nvec: fixed few coding style warnings Dan Carpenter <dan.carpenter@oracle.com> - 2015-10-14 20:20 +0200
    Re: [PATCH] staging: nvec: fixed few coding style warnings Marc Dietrich <marvin24@gmx.de> - 2015-10-15 10:50 +0200
      Re: [PATCH] staging: nvec: fixed few coding style warnings Dan Carpenter <dan.carpenter@oracle.com> - 2015-10-15 10:50 +0200
        Re: [PATCH] staging: nvec: fixed few coding style warnings Marc Dietrich <marvin24@gmx.de> - 2015-10-15 11:20 +0200

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