Re: [PATCH 08/10] aacraid: Remove code to needlessly complete fib

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On Mon, Apr 25, 2016 at 11:32:26PM -0700, Raghava Aditya Renukunta wrote:
> Currently driver completes double completed or spurious interrupted fibs.
> This  is not necessary and causes the SCSI mid layer to issue aborts and
> resets, since completing a fib  prematurely might trigger a race condition
> resulting in the driver not calling the scsi_done callback.
> 
> Fixed by removing the call to fib complete.
> 
> Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@xxxxxxxxxxxxx>
> ---
>  drivers/scsi/aacraid/dpcsup.c |    7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/scsi/aacraid/dpcsup.c b/drivers/scsi/aacraid/dpcsup.c
> index d677b52..7e83620 100644
> --- a/drivers/scsi/aacraid/dpcsup.c
> +++ b/drivers/scsi/aacraid/dpcsup.c
> @@ -392,9 +392,10 @@ unsigned int aac_intr_normal(struct aac_dev *dev, u32 index,
>  			if (likely(fib->callback && fib->callback_data)) {
>  				fib->flags &= FIB_CONTEXT_FLAG_FASTRESP;
>  				fib->callback(fib->callback_data, fib);
> -			} else {
> -				aac_fib_complete(fib);
> -			}
> +			} else
> +				dev_info(&dev->pdev->dev,
> +				"Invalid callback_fib[%d] (*%p)(%p)\n",
> +				index, fib->callback, fib->callback_data);

I'm not sure INFO is the right logging level for this. WARN or ERROR might be
more suited.

>  		} else {
>  			unsigned long flagv;
>  	  		dprintk((KERN_INFO "event_wait up\n"));
> 
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