Re: [PATCH] scsi: csiostor: use *ptr instead of ptr with sizeof

From: Deepak R Varma
Date: Sun Jan 22 2023 - 13:32:03 EST


On Thu, Jan 12, 2023 at 05:55:57PM +0530, Deepak R Varma wrote:
> The function csio_enqueue_evt() should be passed the actual length of
> the event/message so that it can be fully copied over to the event
> queue. Use the sizeof(*ptr) to get the real message length instead of
> sizeof(ptr).
> Issue identified using the noderef,cocci coccinelle semantic patch.
>
> Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>
> ---

Hello,
Requesting a review and feedback comments on this patch proposal please.

Thank you,
./drv

> Please note: The change is compile tested only.
>
> drivers/scsi/csiostor/csio_mb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/csiostor/csio_mb.c b/drivers/scsi/csiostor/csio_mb.c
> index 94810b19e747..4df8a4df4408 100644
> --- a/drivers/scsi/csiostor/csio_mb.c
> +++ b/drivers/scsi/csiostor/csio_mb.c
> @@ -1551,7 +1551,7 @@ csio_mb_isr_handler(struct csio_hw *hw)
> * Enqueue event to EventQ. Events processing happens
> * in Event worker thread context
> */
> - if (csio_enqueue_evt(hw, CSIO_EVT_MBX, mbp, sizeof(mbp)))
> + if (csio_enqueue_evt(hw, CSIO_EVT_MBX, mbp, sizeof(*mbp)))
> CSIO_INC_STATS(hw, n_evt_drop);
>
> return 0;
> --
> 2.34.1
>
>
>