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From: James Smart <James.Smart@Emulex.Com>
To: Roel Kluin <roel.kluin@gmail.com>
Cc: "linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] lpfc: Read buffer overflow
Date: Mon, 3 Aug 2009 11:02:37 -0400	[thread overview]
Message-ID: <4A76FC0D.7080005@emulex.com> (raw)
In-Reply-To: <4A754999.90208@gmail.com>

NACK -  the vports array is created such that it is sized for 
phba->max_vports + 1.

-- james s

Roel Kluin wrote:
> Check whether index is within bounds before testing the element.
>
> Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
> ---
> diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
> index e0b4992..ade2df6 100644
> --- a/drivers/scsi/lpfc/lpfc_vport.c
> +++ b/drivers/scsi/lpfc/lpfc_vport.c
> @@ -762,7 +762,7 @@ lpfc_destroy_vport_work_array(struct lpfc_hba *phba, struct lpfc_vport **vports)
>  	int i;
>  	if (vports == NULL)
>  		return;
> -	for (i = 0; vports[i] != NULL && i <= phba->max_vports; i++)
> +	for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
>  		scsi_host_put(lpfc_shost_from_vport(vports[i]));
>  	kfree(vports);
>  }
>
>   

  reply	other threads:[~2009-08-03 15:03 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-02  8:08 [PATCH] lpfc: Read buffer overflow Roel Kluin
2009-08-03 15:02 ` James Smart [this message]
2009-08-03 17:15   ` Joe Eykholt
2009-08-04 13:29     ` James Smart
2009-08-03 23:42   ` Andrew Morton
2009-08-04  0:31     ` James Bottomley
2009-08-04 13:39       ` James Smart

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