linux-kernel - 2.6.23 regression: lpfc

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Date:	Mon, 23 Jul 2007 02:32:15 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	James Smart <James.Smart@...lex.Com>,
	James Bottomley <James.Bottomley@...elEye.com>
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
Subject: 2.6.23 regression: lpfc_sli.c: off-by-10

The Coverity checker spotted the following off-by-10
in drivers/scsi/lpfc/lpfc_sli.c:


<--  snip  -->

...
static int
lpfc_sli_process_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
                            struct lpfc_iocbq *saveq)
{
...
                        saveq->context3 = lpfc_sli_replace_hbqbuff(phba,
                                                irsp->un.ulpWord[15]);
...

<--  snip  -->


due to the following code in drivers/scsi/lpfc/lpfc_hw.h:


<--  snip  -->

...
#define IOCB_WORD_SZ    8
...
typedef struct _IOCB {  /* IOCB structure */
...
                uint32_t ulpWord[IOCB_WORD_SZ - 2];     /* generic 6 'words' */
...

<--  snip  -->


cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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