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From: himanshu.madhani@oracle.com
To: Bart Van Assche <bvanassche@acm.org>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>
Cc: linux-scsi@vger.kernel.org, Nilesh Javali <njavali@marvell.com>,
	Quinn Tran <qutran@marvell.com>, Martin Wilck <mwilck@suse.com>,
	Daniel Wagner <dwagner@suse.de>,
	Roman Bolshakov <r.bolshakov@yadro.com>
Subject: Re: [PATCH v4 06/11] qla2xxx: Increase the size of struct qla_fcp_prio_cfg to FCP_PRIO_CFG_SIZE
Date: Mon, 27 Apr 2020 09:28:16 -0500	[thread overview]
Message-ID: <055fc827-3b00-2513-c657-fe7d9816d9a6@oracle.com> (raw)
In-Reply-To: <20200427030310.19687-7-bvanassche@acm.org>



On 4/26/20 10:03 PM, Bart Van Assche wrote:
> This patch fixes the following Coverity complaint without changing any
> functionality:
> 
> CID 337793 (#1 of 1): Wrong size argument (SIZEOF_MISMATCH)
> suspicious_sizeof: Passing argument ha->fcp_prio_cfg of type
> struct qla_fcp_prio_cfg * and argument 32768UL to function memset is
> suspicious because a multiple of sizeof (struct qla_fcp_prio_cfg) /*48*/
> is expected.
> 
> memset(ha->fcp_prio_cfg, 0, FCP_PRIO_CFG_SIZE);
> 
> Cc: Nilesh Javali <njavali@marvell.com>
> Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
> Cc: Quinn Tran <qutran@marvell.com>
> Cc: Martin Wilck <mwilck@suse.com>
> Cc: Daniel Wagner <dwagner@suse.de>
> Cc: Roman Bolshakov <r.bolshakov@yadro.com>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> ---
>   drivers/scsi/qla2xxx/qla_fw.h | 3 ++-
>   drivers/scsi/qla2xxx/qla_os.c | 1 +
>   2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
> index b364a497e33d..4fa34374f34f 100644
> --- a/drivers/scsi/qla2xxx/qla_fw.h
> +++ b/drivers/scsi/qla2xxx/qla_fw.h
> @@ -2217,8 +2217,9 @@ struct qla_fcp_prio_cfg {
>   #define FCP_PRIO_ATTR_PERSIST   0x2
>   	uint8_t  reserved;      /* Reserved for future use          */
>   #define FCP_PRIO_CFG_HDR_SIZE   0x10
> -	struct qla_fcp_prio_entry entry[1];     /* fcp priority entries  */
> +	struct qla_fcp_prio_entry entry[1023]; /* fcp priority entries  */
>   #define FCP_PRIO_CFG_ENTRY_SIZE 0x20
> +	uint8_t  reserved2[16];
>   };
>   
>   #define FCP_PRIO_CFG_SIZE       (32*1024) /* fcp prio data per port*/
> diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
> index 2dd9c2a39cd5..30c2750c5745 100644
> --- a/drivers/scsi/qla2xxx/qla_os.c
> +++ b/drivers/scsi/qla2xxx/qla_os.c
> @@ -7877,6 +7877,7 @@ qla2x00_module_init(void)
>   	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
>   	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
>   	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
> +	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
>   	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
>   	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
>   	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
> 

Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>

-- 
Himanshu Madhani
Oracle Linux Engineering

  parent reply	other threads:[~2020-04-27 14:30 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-27  3:02 [PATCH v4 00/11] Fix qla2xxx endianness annotations Bart Van Assche
2020-04-27  3:03 ` [PATCH v4 01/11] qla2xxx: Fix spelling of a variable name Bart Van Assche
2020-04-27  8:10   ` Daniel Wagner
2020-04-27 14:09   ` himanshu.madhani
2020-05-06 12:30   ` Hannes Reinecke
2020-05-11  7:31   ` Arun Easi
2020-04-27  3:03 ` [PATCH v4 02/11] qla2xxx: Suppress two recently introduced compiler warnings Bart Van Assche
2020-04-27  8:15   ` Daniel Wagner
2020-04-27 17:37     ` Bart Van Assche
2020-04-27 18:41     ` Steven Rostedt
2020-04-30  7:29       ` Daniel Wagner
2020-04-27 14:10   ` himanshu.madhani
2020-05-06 13:41   ` Hannes Reinecke
2020-05-11  7:32   ` Arun Easi
2020-04-27  3:03 ` [PATCH v4 03/11] qla2xxx: Sort BUILD_BUG_ON() statements alphabetically Bart Van Assche
2020-04-27  8:16   ` Daniel Wagner
2020-04-27 14:11   ` himanshu.madhani
2020-05-06 13:42   ` Hannes Reinecke
2020-05-11  7:32   ` Arun Easi
2020-04-27  3:03 ` [PATCH v4 04/11] qla2xxx: Add more BUILD_BUG_ON() statements Bart Van Assche
2020-04-27  8:18   ` Daniel Wagner
2020-04-27 14:18   ` himanshu.madhani
2020-05-06 13:42   ` Hannes Reinecke
2020-05-11  7:34   ` Arun Easi
2020-05-11 15:55     ` Bart Van Assche
2020-04-27  3:03 ` [PATCH v4 05/11] qla2xxx: Make a gap in struct qla2xxx_offld_chain explicit Bart Van Assche
2020-04-27  8:26   ` Daniel Wagner
2020-04-27 14:27   ` himanshu.madhani
2020-04-27 17:39     ` Bart Van Assche
2020-05-06 13:43   ` Hannes Reinecke
2020-05-11  7:34   ` Arun Easi
2020-04-27  3:03 ` [PATCH v4 06/11] qla2xxx: Increase the size of struct qla_fcp_prio_cfg to FCP_PRIO_CFG_SIZE Bart Van Assche
2020-04-27  8:33   ` Daniel Wagner
2020-04-27 14:28   ` himanshu.madhani [this message]
2020-05-06 13:43   ` Hannes Reinecke
2020-05-11  7:36   ` Arun Easi
2020-05-11 16:04     ` Bart Van Assche
2020-04-27  3:03 ` [PATCH v4 07/11] qla2xxx: Change two hardcoded constants into offsetof() / sizeof() expressions Bart Van Assche
2020-04-27  8:39   ` Daniel Wagner
2020-04-27 14:34   ` himanshu.madhani
2020-05-06 13:45   ` Hannes Reinecke
2020-05-11  7:36   ` Arun Easi
2020-04-27  3:03 ` [PATCH v4 08/11] qla2xxx: Fix the code that reads from mailbox registers Bart Van Assche
2020-04-27  8:41   ` Daniel Wagner
2020-04-27 14:45   ` himanshu.madhani
2020-05-06 14:03   ` Hannes Reinecke
2020-05-11  7:39   ` Arun Easi
2020-05-11 16:07     ` Bart Van Assche
2020-04-27  3:03 ` [PATCH v4 09/11] qla2xxx: Change {RD,WRT}_REG_*() function names from upper case into lower case Bart Van Assche
2020-04-27  8:41   ` Daniel Wagner
2020-04-27 14:53   ` himanshu.madhani
2020-05-11  7:40   ` Arun Easi
2020-05-11 16:11     ` Bart Van Assche
2020-04-27  3:03 ` [PATCH v4 10/11] qla2xxx: Fix endianness annotations in header files Bart Van Assche
2020-04-27 14:57   ` himanshu.madhani
2020-04-28  0:25     ` Finn Thain
2020-04-28 13:55       ` himanshu.madhani
2020-04-27  3:03 ` [PATCH v4 11/11] qla2xxx: Fix endianness annotations in source files Bart Van Assche
2020-04-27 14:59   ` himanshu.madhani

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