Re: [PATCH 04/16] aacraid: Prevent E3 lockup when deleting units

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On 02/14/2017 09:44 PM, Raghava Aditya Renukunta wrote:
> Arrconf management utility at times sends fibs with AdapterProcessed set
> in its fibs. This causes the controller to panic and lockup.
> 
> Fixed by failing the commands that have AdapterProcessed set in its flag.
> 
> Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@xxxxxxxxxxxxx>
> Reviewed-by: David Carroll <David.Carroll@xxxxxxxxxxxxx>
> ---
>  drivers/scsi/aacraid/commsup.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
> index 6220b47..f7a3bcb 100644
> --- a/drivers/scsi/aacraid/commsup.c
> +++ b/drivers/scsi/aacraid/commsup.c
> @@ -522,6 +522,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
>  
>  	if (!(hw_fib->header.XferState & cpu_to_le32(HostOwned)))
>  		return -EBUSY;
> +
> +	if (hw_fib->header.XferState & cpu_to_le32(AdapterProcessed))
> +		return -EINVAL;
> +

As far as I can see the fib_xfer_state enum isn't an exported as an
official ABI, so it's a good candidate (whole of aacraid.h actually) for
the next round of camel case removals.

Anyways, this can wait:
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>


-- 
Johannes Thumshirn                                          Storage
jthumshirn@xxxxxxx                                +49 911 74053 689
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