On 04/14/2016 08:20 PM, Dan Carpenter wrote:
> It's possible to use "err" without initializing it.  If it happens to be
> a 2 which is SCSI_DH_RETRY then that could cause a bug.  Bart Van Assche
> pointed out that we should probably re-initialize it for every iteration
> through the retry loop.
> 
> Signed-off-by: Dan Carpenter <[email protected]>
> ---
> v2: The first version just initialized it at the start of the function.
> 
> diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c 
> b/drivers/scsi/device_handler/scsi_dh_alua.c
> index 8eaed05..a655cf2 100644
> --- a/drivers/scsi/device_handler/scsi_dh_alua.c
> +++ b/drivers/scsi/device_handler/scsi_dh_alua.c
> @@ -532,6 +532,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct 
> alua_port_group *pg)
>               return SCSI_DH_DEV_TEMP_BUSY;
>  
>   retry:
> +     err = 0;
>       retval = submit_rtpg(sdev, buff, bufflen, &sense_hdr, pg->flags);
>  
>       if (retval) {
> 
Reviewed-by: Hannes Reinecke <[email protected]>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Teamlead Storage & Networking
[email protected]                                   +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
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