linux-kernel - Re: [PATCH 2/2] Forgotten memset

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Date:	Thu, 20 Jul 2006 19:21:03 +0200
From:	Panagiotis Issaris <takis@....org>
To:	"Daniel K." <daniel@...ded.net>
Cc:	Panagiotis Issaris <takis@...umba.uhasselt.be>,
	linux-kernel@...r.kernel.org, linux-eata@...onnect.net
Subject: Re: [PATCH 2/2] Forgotten memset

Hi,

On wo, 2006-07-19 at 01:49 +0000, Daniel K. wrote:
> Panagiotis Issaris wrote:
> > --- a/drivers/scsi/ide-scsi.c
> > +++ b/drivers/scsi/ide-scsi.c
> > @@ -327,7 +327,7 @@ static int idescsi_check_condition(ide_d
> >  
> >  	/* stuff a sense request in front of our current request */
> >  	pc = kzalloc (sizeof (idescsi_pc_t), GFP_ATOMIC);
> > -	rq = kmalloc (sizeof (struct request), GFP_ATOMIC);
> > +	rq = kzalloc (sizeof (struct request), GFP_ATOMIC);
> >  	buf = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_ATOMIC);
> >  	if (pc == NULL || rq == NULL || buf == NULL) {
> >  		kfree(buf);
> >
> > Was this forgotten and therefore, is it necessary or useful to zero this
> > out?
> 
> No, this code snippet is followed by a call to
> 
> 	ide_init_drive_cmd(rq)
> 
> which calls memset()
Ouch. I should have seen that. Thanks!

With friendly regards,
Takis


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