Re: [PATCH] Set elsiocb contexts to NULL after freeing it

From: Johannes Thumshirn
Date: Fri Jan 13 2017 - 10:21:52 EST


[+Cc James S. I'm sorry]

On Tue, Jan 10, 2017 at 12:05:54PM +0100, Johannes Thumshirn wrote:
> Set the elsiocb contexts to NULL after freeing as others depend on it.
>
> Signed-off-by: Johannes Thumshirn <jthumshirn@xxxxxxx>
> ---
> drivers/scsi/lpfc/lpfc_els.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
> index 236e4e5..7b6bd8e 100644
> --- a/drivers/scsi/lpfc/lpfc_els.c
> +++ b/drivers/scsi/lpfc/lpfc_els.c
> @@ -3590,12 +3590,14 @@ lpfc_els_free_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *elsiocb)
> } else {
> buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2;
> lpfc_els_free_data(phba, buf_ptr1);
> + elsiocb->context2 = NULL;
> }
> }
>
> if (elsiocb->context3) {
> buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3;
> lpfc_els_free_bpl(phba, buf_ptr);
> + elsiocb->context3 = NULL;
> }
> lpfc_sli_release_iocbq(phba, elsiocb);
> return 0;

Dick, James, any comments? I'd really like to get this in soon as it solves
customer issues.

Byte,
Johannes

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